23031032402 has 32 divisors (see below), whose sum is σ = 40346546688. Its totient is φ = 9654506496.

The previous prime is 23031032389. The next prime is 23031032411. The reversal of 23031032402 is 20423013032.

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, 1159418 + ... + 1179114.

It is an arithmetic number, because the mean of its divisors is an integer number (1260829584).

Almost surely, 2^23031032402 is an apocalyptic number.

23031032402 is a deficient number, since it is larger than the sum of its proper divisors (17315514286).

23031032402 is a wasteful number, since it uses less digits than its factorization.

23031032402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21530.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23031032402 its reverse (20423013032), we get a palindrome (43454045434).

The spelling of 23031032402 in words is "twenty-three billion, thirty-one million, thirty-two thousand, four hundred two".