23029796840 has 16 divisors (see below), whose sum is σ = 51817042980. Its totient is φ = 9211918720.

The previous prime is 23029796831. The next prime is 23029796851. The reversal of 23029796840 is 4869792032.

It can be written as a sum of positive squares in 2 ways, for example, as 22059972676 + 969824164 = 148526^2 + 31142^2 .

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, 287872421 + ... + 287872500.

Almost surely, 2^23029796840 is an apocalyptic number.

23029796840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23029796840 is an abundant number, since it is smaller than the sum of its proper divisors (28787246140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23029796840 is a wasteful number, since it uses less digits than its factorization.

23029796840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575744932 (or 575744928 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 23029796840 in words is "twenty-three billion, twenty-nine million, seven hundred ninety-six thousand, eight hundred forty".