23146660 has 12 divisors (see below), whose sum is σ = 48608028. Its totient is φ = 9258656.

The previous prime is 23146657. The next prime is 23146687. The reversal of 23146660 is 6664132.

It can be written as a sum of positive squares in 2 ways, for example, as 2643876 + 20502784 = 1626^2 + 4528^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578647 + ... + 578686.

It is an arithmetic number, because the mean of its divisors is an integer number (4050669).

Almost surely, 2^23146660 is an apocalyptic number.

23146660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23146660 is an abundant number, since it is smaller than the sum of its proper divisors (25461368).

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

23146660 is a wasteful number, since it uses less digits than its factorization.

23146660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157342 (or 1157340 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 23146660 is about 4811.0975878691. The cubic root of 23146660 is about 284.9898837078.

The spelling of 23146660 in words is "twenty-three million, one hundred forty-six thousand, six hundred sixty".