23137480 has 32 divisors (see below), whose sum is σ = 52799040. Its totient is φ = 9123520.

The previous prime is 23137463. The next prime is 23137481. The reversal of 23137480 is 8473132.

It is not an unprimeable number, because it can be changed into a prime (23137481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (1649970).

Almost surely, 2^23137480 is an apocalyptic number.

23137480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23137480 is an abundant number, since it is smaller than the sum of its proper divisors (29661560).

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

23137480 is a wasteful number, since it uses less digits than its factorization.

23137480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23137480 is about 4810.1434490044. The cubic root of 23137480 is about 284.9522029211.

The spelling of 23137480 in words is "twenty-three million, one hundred thirty-seven thousand, four hundred eighty".