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23200220001231 = 347133147499661
BaseRepresentation
bin1010100011001101110001…
…10111110011001111001111
310001010220211012222200120000
411101212320313303033033
511020103022310014411
6121202011155055343
74613106036143010
oct521467067631717
9101126735880500
1023200220001231
1174351813a9109
1227284368a1553
13cc3a048a0c40
145a2c7a543007
152a3757009956
hex1519b8df33cf

23200220001231 has 40 divisors (see below), whose sum is σ = 42654915419424. Its totient is φ = 12237478678080.

The previous prime is 23200220001223. The next prime is 23200220001271. The reversal of 23200220001231 is 13210002200232.

23200220001231 is a `hidden beast` number, since 2 + 320 + 0 + 220 + 0 + 0 + 123 + 1 = 666.

It is not a de Polignac number, because 23200220001231 - 23 = 23200220001223 is a prime.

It is a super-2 number, since 2×232002200012312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200220001271) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1573742460 + ... + 1573757201.

Almost surely, 223200220001231 is an apocalyptic number.

23200220001231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23200220001231 is a deficient number, since it is larger than the sum of its proper divisors (19454695418193).

23200220001231 is a wasteful number, since it uses less digits than its factorization.

23200220001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147499693 (or 3147499684 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23200220001231 its reverse (13210002200232), we get a palindrome (36410222201463).

The spelling of 23200220001231 in words is "twenty-three trillion, two hundred billion, two hundred twenty million, one thousand, two hundred thirty-one".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 117 189 273 351 567 819 1053 2457 7371 3147499661 9442498983 22032497627 28327496949 40917495593 66097492881 84982490847 122752486779 198292478643 254947472541 286422469151 368257460337 594877435929 859267407453 1104772381011 1784632307787 2577802222359 3314317143033 7733406667077 23200220001231