23191364 has 24 divisors (see below), whose sum is σ = 46484928. Its totient is φ = 9917280.

The previous prime is 23191339. The next prime is 23191373. The reversal of 23191364 is 46319132.

It is a super-3 number, since 3×23191364³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23399 + ... + 24369.

It is an arithmetic number, because the mean of its divisors is an integer number (1936872).

Almost surely, 2^23191364 is an apocalyptic number.

It is an amenable number.

23191364 is an abundant number, since it is smaller than the sum of its proper divisors (23293564).

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

23191364 is a wasteful number, since it uses less digits than its factorization.

23191364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835 (or 1833 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 23191364 is about 4815.7412721200. The cubic root of 23191364 is about 285.1732362186.

The spelling of 23191364 in words is "twenty-three million, one hundred ninety-one thousand, three hundred sixty-four".