23121600612131 has 8 divisors (see below), whose sum is σ = 26430274247520. Its totient is φ = 19814323935168.

The previous prime is 23121600612109. The next prime is 23121600612139. The reversal of 23121600612131 is 13121600612132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23121600612131 is a prime.

It is a super-2 number, since 2×23121600612131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121600612094 and 23121600612103.

It is not an unprimeable number, because it can be changed into a prime (23121600612139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349204136 + ... + 349270341.

It is an arithmetic number, because the mean of its divisors is an integer number (3303784280940).

Almost surely, 2^{23121600612131} is an apocalyptic number.

23121600612131 is a deficient number, since it is larger than the sum of its proper divisors (3308673635389).

23121600612131 is an equidigital number, since it uses as much as digits as its factorization.

23121600612131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698479213.

The product of its (nonzero) digits is 2592, while the sum is 29.

Subtracting from 23121600612131 its reverse (13121600612132), we obtain a palindrome (9999999999999).

The spelling of 23121600612131 in words is "twenty-three trillion, one hundred twenty-one billion, six hundred million, six hundred twelve thousand, one hundred thirty-one".