23131700780 has 12 divisors (see below), whose sum is σ = 48576571680. Its totient is φ = 9252680304.

The previous prime is 23131700729. The next prime is 23131700849. The reversal of 23131700780 is 8700713132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578292500 + ... + 578292539.

It is an arithmetic number, because the mean of its divisors is an integer number (4048047640).

Almost surely, 2^23131700780 is an apocalyptic number.

23131700780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23131700780 is an abundant number, since it is smaller than the sum of its proper divisors (25444870900).

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

23131700780 is a wasteful number, since it uses less digits than its factorization.

23131700780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156585048 (or 1156585046 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 23131700780 in words is "twenty-three billion, one hundred thirty-one million, seven hundred thousand, seven hundred eighty".