23025540 has 24 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 6140128.

The previous prime is 23025539. The next prime is 23025551. The reversal of 23025540 is 4552032.

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, 191820 + ... + 191939.

It is an arithmetic number, because the mean of its divisors is an integer number (2686320).

Almost surely, 2^23025540 is an apocalyptic number.

23025540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23025540 is an abundant number, since it is smaller than the sum of its proper divisors (41446140).

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

23025540 is a wasteful number, since it uses less digits than its factorization.

23025540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383771 (or 383769 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 23025540 is about 4798.4935135936. The cubic root of 23025540 is about 284.4919233398.

Adding to 23025540 its reverse (4552032), we get a palindrome (27577572).

The spelling of 23025540 in words is "twenty-three million, twenty-five thousand, five hundred forty".