23451366580 has 24 divisors (see below), whose sum is σ = 49257248040. Its totient is φ = 9378760320.

The previous prime is 23451366571. The next prime is 23451366641. The reversal of 23451366580 is 8566315432.

It can be written as a sum of positive squares in 4 ways, for example, as 3794704 + 23447571876 = 1948^2 + 153126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335 + ... + 216574.

It is an arithmetic number, because the mean of its divisors is an integer number (2052385335).

Almost surely, 2^23451366580 is an apocalyptic number.

23451366580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23451366580 is an abundant number, since it is smaller than the sum of its proper divisors (25805881460).

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

23451366580 is a wasteful number, since it uses less digits than its factorization.

23451366580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223299 (or 223297 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 23451366580 in words is "twenty-three billion, four hundred fifty-one million, three hundred sixty-six thousand, five hundred eighty".