23131121430412 has 48 divisors (see below), whose sum is σ = 42123572346240. Its totient is φ = 11105163343872.

The previous prime is 23131121430383. The next prime is 23131121430427. The reversal of 23131121430412 is 21403412113132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165900664 + ... + 166040032.

It is an arithmetic number, because the mean of its divisors is an integer number (877574423880).

Almost surely, 2^{23131121430412} is an apocalyptic number.

It is an amenable number.

23131121430412 is a deficient number, since it is larger than the sum of its proper divisors (18992450915828).

23131121430412 is a wasteful number, since it uses less digits than its factorization.

23131121430412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156130 (or 156128 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 23131121430412 its reverse (21403412113132), we get a palindrome (44534533543544).

The spelling of 23131121430412 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, four hundred thirty thousand, four hundred twelve".