23457980 has 48 divisors (see below), whose sum is σ = 60634560. Its totient is φ = 7423488.

The previous prime is 23457971. The next prime is 23457983. The reversal of 23457980 is 8975432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23457983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4625 + ... + 8264.

It is an arithmetic number, because the mean of its divisors is an integer number (1263220).

Almost surely, 2^23457980 is an apocalyptic number.

23457980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23457980 is an abundant number, since it is smaller than the sum of its proper divisors (37176580).

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

23457980 is a wasteful number, since it uses less digits than its factorization.

23457980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918 (or 12916 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 23457980 is about 4843.3438862009. The cubic root of 23457980 is about 286.2618919184.

The spelling of 23457980 in words is "twenty-three million, four hundred fifty-seven thousand, nine hundred eighty".