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23123302322131 = 1117612837162951
BaseRepresentation
bin1010100000111110100000…
…01110001000111111010011
310000212120021200210201221101
411100133100032020333103
511012323010343302011
6121102410510205231
74604413662514504
oct520372016107723
9100776250721841
1023123302322131
1174055a0379380
12271554b1b3817
13cb969721425b
1459d260cbcbab
152a17544412c1
hex1507d0388fd3

23123302322131 has 32 divisors (see below), whose sum is σ = 27243055904256. Its totient is φ = 19391538240000.

The previous prime is 23123302322111. The next prime is 23123302322191. The reversal of 23123302322131 is 13122320332132.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-23123302322131 is a prime.

It is a super-2 number, since 2×231233023221312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23123302322131.

It is not an unprimeable number, because it can be changed into a prime (23123302322101) 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, 353295 + ... + 6809656.

It is an arithmetic number, because the mean of its divisors is an integer number (851345497008).

Almost surely, 223123302322131 is an apocalyptic number.

23123302322131 is a deficient number, since it is larger than the sum of its proper divisors (4119753582125).

23123302322131 is a wasteful number, since it uses less digits than its factorization.

23123302322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163323.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23123302322131 its reverse (13122320332132), we get a palindrome (36245622654263).

The spelling of 23123302322131 in words is "twenty-three trillion, one hundred twenty-three billion, three hundred two million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 11 17 61 187 283 671 1037 3113 4811 11407 17263 52921 189893 293471 3228181 7162951 78792461 121770167 436940011 1339471837 2027115133 4806340121 7427980187 22298266463 34460957261 81707782057 123654023113 379070529871 1360194254243 2102118392921 23123302322131