23206856780 has 12 divisors (see below), whose sum is σ = 48734399280. Its totient is φ = 9282742704.

The previous prime is 23206856599. The next prime is 23206856809. The reversal of 23206856780 is 8765860232.

It is a happy number.

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, 580171400 + ... + 580171439.

It is an arithmetic number, because the mean of its divisors is an integer number (4061199940).

Almost surely, 2^23206856780 is an apocalyptic number.

23206856780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23206856780 is an abundant number, since it is smaller than the sum of its proper divisors (25527542500).

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

23206856780 is a wasteful number, since it uses less digits than its factorization.

23206856780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160342848 (or 1160342846 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 23206856780 in words is "twenty-three billion, two hundred six million, eight hundred fifty-six thousand, seven hundred eighty".