23431512021322 has 16 divisors (see below), whose sum is σ = 35497720245312. Its totient is φ = 11598997687200.

The previous prime is 23431512021311. The next prime is 23431512021341. The reversal of 23431512021322 is 22312021513432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13974963 + ... + 15561574.

It is an arithmetic number, because the mean of its divisors is an integer number (2218607515332).

Almost surely, 2^{23431512021322} is an apocalyptic number.

23431512021322 is a deficient number, since it is larger than the sum of its proper divisors (12066208223990).

23431512021322 is a wasteful number, since it uses less digits than its factorization.

23431512021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29540493.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 23431512021322 its reverse (22312021513432), we get a palindrome (45743533534754).

The spelling of 23431512021322 in words is "twenty-three trillion, four hundred thirty-one billion, five hundred twelve million, twenty-one thousand, three hundred twenty-two".