23315330 has 64 divisors (see below), whose sum is σ = 47589120. Its totient is φ = 8177664.

The previous prime is 23315323. The next prime is 23315339. The reversal of 23315330 is 3351332.

It is a super-2 number, since 2×23315330² = 1087209226017800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23315339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261926 + ... + 262014.

It is an arithmetic number, because the mean of its divisors is an integer number (743580).

Almost surely, 2^23315330 is an apocalyptic number.

23315330 is an abundant number, since it is smaller than the sum of its proper divisors (24273790).

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

23315330 is a wasteful number, since it uses less digits than its factorization.

23315330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 23315330 is about 4828.5950337546. The cubic root of 23315330 is about 285.6804506362.

Adding to 23315330 its reverse (3351332), we get a palindrome (26666662).

The spelling of 23315330 in words is "twenty-three million, three hundred fifteen thousand, three hundred thirty".