23125660 has 36 divisors (see below), whose sum is σ = 51270408. Its totient is φ = 8760672.

The previous prime is 23125657. The next prime is 23125691. The reversal of 23125660 is 6652132.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5619 + ... + 8821.

It is an arithmetic number, because the mean of its divisors is an integer number (1424178).

Almost surely, 2^23125660 is an apocalyptic number.

23125660 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 23125660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25635204).

23125660 is an abundant number, since it is smaller than the sum of its proper divisors (28144748).

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

23125660 is a wasteful number, since it uses less digits than its factorization.

23125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23125660 is about 4808.9146384605. The cubic root of 23125660 is about 284.9036711486.

Adding to 23125660 its reverse (6652132), we get a palindrome (29777792).

The spelling of 23125660 in words is "twenty-three million, one hundred twenty-five thousand, six hundred sixty".