23131100123 has 8 divisors (see below), whose sum is σ = 23756384256. Its totient is φ = 22509786600.

The previous prime is 23131100107. The next prime is 23131100129. The reversal of 23131100123 is 32100113132.

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

It is a cyclic number.

It is not a de Polignac number, because 23131100123 - 2⁴ = 23131100107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131100129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980843 + ... + 1004148.

It is an arithmetic number, because the mean of its divisors is an integer number (2969548032).

Almost surely, 2^23131100123 is an apocalyptic number.

23131100123 is a deficient number, since it is larger than the sum of its proper divisors (625284133).

23131100123 is a wasteful number, since it uses less digits than its factorization.

23131100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985305.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23131100123 its reverse (32100113132), we get a palindrome (55231213255).

The spelling of 23131100123 in words is "twenty-three billion, one hundred thirty-one million, one hundred thousand, one hundred twenty-three".