23431220104 has 16 divisors (see below), whose sum is σ = 44427174300. Its totient is φ = 11583973632.

The previous prime is 23431220083. The next prime is 23431220209. The reversal of 23431220104 is 40102213432.

It can be written as a sum of positive squares in 2 ways, for example, as 21972132900 + 1459087204 = 148230^2 + 38198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16453797 + ... + 16455220.

Almost surely, 2^23431220104 is an apocalyptic number.

It is an amenable number.

23431220104 is a deficient number, since it is larger than the sum of its proper divisors (20995954196).

23431220104 is a wasteful number, since it uses less digits than its factorization.

23431220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32909112 (or 32909108 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23431220104 its reverse (40102213432), we get a palindrome (63533433536).

The spelling of 23431220104 in words is "twenty-three billion, four hundred thirty-one million, two hundred twenty thousand, one hundred four".