23117732 has 24 divisors (see below), whose sum is σ = 44571072. Its totient is φ = 10404000.

The previous prime is 23117693. The next prime is 23117761. The reversal of 23117732 is 23771132.

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, 1982 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (1857128).

Almost surely, 2^23117732 is an apocalyptic number.

23117732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23117732 is a deficient number, since it is larger than the sum of its proper divisors (21453340).

23117732 is a wasteful number, since it uses less digits than its factorization.

23117732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219 (or 5217 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 23117732 is about 4808.0902653756. The cubic root of 23117732 is about 284.8711102838.

Adding to 23117732 its reverse (23771132), we get a palindrome (46888864).

The spelling of 23117732 in words is "twenty-three million, one hundred seventeen thousand, seven hundred thirty-two".