23513660 has 12 divisors (see below), whose sum is σ = 49378728. Its totient is φ = 9405456.

The previous prime is 23513627. The next prime is 23513663. The reversal of 23513660 is 6631532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23513663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587822 + ... + 587861.

It is an arithmetic number, because the mean of its divisors is an integer number (4114894).

Almost surely, 2^23513660 is an apocalyptic number.

23513660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23513660 is an abundant number, since it is smaller than the sum of its proper divisors (25865068).

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

23513660 is a wasteful number, since it uses less digits than its factorization.

23513660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175692 (or 1175690 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23513660 is about 4849.0885741549. The cubic root of 23513660 is about 286.4882039272.

The spelling of 23513660 in words is "twenty-three million, five hundred thirteen thousand, six hundred sixty".