23239616788540 has 24 divisors (see below), whose sum is σ = 48803496114240. Its totient is φ = 9295789409088.

The previous prime is 23239616788519. The next prime is 23239616788559. The reversal of 23239616788540 is 4588761693232.

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, 177355 + ... + 6819874.

It is an arithmetic number, because the mean of its divisors is an integer number (2033479004760).

It is a 1-persistent number, because it is pandigital, but 2⋅23239616788540 = 46479233577080 is not.

Almost surely, 2^{23239616788540} is an apocalyptic number.

23239616788540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23239616788540 is an abundant number, since it is smaller than the sum of its proper divisors (25563879325700).

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

23239616788540 is a wasteful number, since it uses less digits than its factorization.

23239616788540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163301 (or 7163299 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 23239616788540 in words is "twenty-three trillion, two hundred thirty-nine billion, six hundred sixteen million, seven hundred eighty-eight thousand, five hundred forty".