23122403531212 has 24 divisors (see below), whose sum is σ = 40475506176000. Its totient is φ = 11557973555856.

The previous prime is 23122403531189. The next prime is 23122403531237. The reversal of 23122403531212 is 21213530422132.

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, 342403683 + ... + 342471205.

It is an arithmetic number, because the mean of its divisors is an integer number (1686479424000).

Almost surely, 2^{23122403531212} is an apocalyptic number.

It is an amenable number.

23122403531212 is a deficient number, since it is larger than the sum of its proper divisors (17353102644788).

23122403531212 is a wasteful number, since it uses less digits than its factorization.

23122403531212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90165 (or 90163 counting only the distinct ones).

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

Adding to 23122403531212 its reverse (21213530422132), we get a palindrome (44335933953344).

The spelling of 23122403531212 in words is "twenty-three trillion, one hundred twenty-two billion, four hundred three million, five hundred thirty-one thousand, two hundred twelve".