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23213441230431 = 32319313859125777
BaseRepresentation
bin1010100011100110011001…
…11010110010011001011111
310001012011221122001201102120
411101303030322302121133
511020312111423333211
6121212035131554023
74614054466553514
oct521631472623137
9101164848051376
1023213441230431
11743a846446311
12272ab065bb913
13cc5030a5099a
145a377241930b
152a3c7caaad06
hex151ccceb265f

23213441230431 has 32 divisors (see below), whose sum is σ = 32466904081920. Its totient is φ = 14724896169984.

The previous prime is 23213441230417. The next prime is 23213441230453. The reversal of 23213441230431 is 13403214431232.

It is not a de Polignac number, because 23213441230431 - 219 = 23213440706143 is a prime.

It is a super-2 number, since 2×232134412304312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23213441230392 and 23213441230401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213441230471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184497415 + ... + 184623191.

It is an arithmetic number, because the mean of its divisors is an integer number (1014590752560).

Almost surely, 223213441230431 is an apocalyptic number.

23213441230431 is a deficient number, since it is larger than the sum of its proper divisors (9253462851489).

23213441230431 is a wasteful number, since it uses less digits than its factorization.

23213441230431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139855.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 23213441230431 its reverse (13403214431232), we get a palindrome (36616655661663).

The spelling of 23213441230431 in words is "twenty-three trillion, two hundred thirteen billion, four hundred forty-one million, two hundred thirty thousand, four hundred thirty-one".

Divisors: 1 3 23 69 193 579 4439 13317 13859 41577 125777 318757 377331 956271 2674787 2892871 8024361 8678613 24274961 61520101 72824883 184560303 558324103 1674972309 1743143443 5229430329 40092299189 120276897567 336426684499 1009280053497 7737813743477 23213441230431