23231110311142 has 4 divisors (see below), whose sum is σ = 34846665466716. Its totient is φ = 11615555155570.

The previous prime is 23231110311053. The next prime is 23231110311181. The reversal of 23231110311142 is 24111301113232.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807777577784 + ... + 5807777577787.

It is an arithmetic number, because the mean of its divisors is an integer number (8711666366679).

Almost surely, 2^{23231110311142} is an apocalyptic number.

23231110311142 is a deficient number, since it is larger than the sum of its proper divisors (11615555155574).

23231110311142 is a wasteful number, since it uses less digits than its factorization.

23231110311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615555155573.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 23231110311142 its reverse (24111301113232), we get a palindrome (47342411424374).

The spelling of 23231110311142 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred ten million, three hundred eleven thousand, one hundred forty-two".