23458540 has 48 divisors (see below), whose sum is σ = 59270400. Its totient is φ = 7618752.

The previous prime is 23458529. The next prime is 23458549. The reversal of 23458540 is 4585432.

It is not an unprimeable number, because it can be changed into a prime (23458549) 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, 1750 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (1234800).

Almost surely, 2^23458540 is an apocalyptic number.

23458540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23458540 is an abundant number, since it is smaller than the sum of its proper divisors (35811860).

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

23458540 is a wasteful number, since it uses less digits than its factorization.

23458540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8854 (or 8852 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 23458540 is about 4843.4016971546. The cubic root of 23458540 is about 286.2641698267.

The spelling of 23458540 in words is "twenty-three million, four hundred fifty-eight thousand, five hundred forty".