23131103123 has 8 divisors (see below), whose sum is σ = 23363280336. Its totient is φ = 22898988000.

The previous prime is 23131103117. The next prime is 23131103129. The reversal of 23131103123 is 32130113132.

It is an interprime number because it is at equal distance from previous prime (23131103117) and next prime (23131103129).

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 23131103123 - 2⁸ = 23131102867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23131103095 and 23131103104.

It is not an unprimeable number, because it can be changed into a prime (23131103129) 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, 1228208 + ... + 1246898.

It is an arithmetic number, because the mean of its divisors is an integer number (2920410042).

Almost surely, 2^23131103123 is an apocalyptic number.

23131103123 is a deficient number, since it is larger than the sum of its proper divisors (232177213).

23131103123 is a wasteful number, since it uses less digits than its factorization.

23131103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31045.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23131103123 its reverse (32130113132), we get a palindrome (55261216255).

The spelling of 23131103123 in words is "twenty-three billion, one hundred thirty-one million, one hundred three thousand, one hundred twenty-three".