23375439660 has 96 divisors (see below), whose sum is σ = 67371171840. Its totient is φ = 6052693248.

The previous prime is 23375439631. The next prime is 23375439683. The reversal of 23375439660 is 6693457332.

It is a super-2 number, since 2×23375439660² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 325506 + ... + 390774.

It is an arithmetic number, because the mean of its divisors is an integer number (701783040).

Almost surely, 2^23375439660 is an apocalyptic number.

23375439660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23375439660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33685585920).

23375439660 is an abundant number, since it is smaller than the sum of its proper divisors (43995732180).

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

23375439660 is a wasteful number, since it uses less digits than its factorization.

23375439660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65455 (or 65453 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 48.

The spelling of 23375439660 in words is "twenty-three billion, three hundred seventy-five million, four hundred thirty-nine thousand, six hundred sixty".