23489660 has 24 divisors (see below), whose sum is σ = 50379840. Its totient is φ = 9195584.

The previous prime is 23489657. The next prime is 23489677. The reversal of 23489660 is 6698432.

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, 11555 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (2099160).

Almost surely, 2^23489660 is an apocalyptic number.

23489660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23489660 is an abundant number, since it is smaller than the sum of its proper divisors (26890180).

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

23489660 is a wasteful number, since it uses less digits than its factorization.

23489660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25045 (or 25043 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 23489660 is about 4846.6132505080. The cubic root of 23489660 is about 286.3906995045.

The spelling of 23489660 in words is "twenty-three million, four hundred eighty-nine thousand, six hundred sixty".