23172339 has 16 divisors (see below), whose sum is σ = 33030144. Its totient is φ = 14414400.

The previous prime is 23172319. The next prime is 23172349. The reversal of 23172339 is 93327132.

It is not a de Polignac number, because 23172339 - 2¹³ = 23164147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23172319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1267 + ... + 6924.

It is an arithmetic number, because the mean of its divisors is an integer number (2064384).

Almost surely, 2^23172339 is an apocalyptic number.

23172339 is a deficient number, since it is larger than the sum of its proper divisors (9857805).

23172339 is a wasteful number, since it uses less digits than its factorization.

23172339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258.

The product of its digits is 6804, while the sum is 30.

The square root of 23172339 is about 4813.7655738517. The cubic root of 23172339 is about 285.0952344091.

It can be divided in two parts, 2317 and 2339, that added together give a triangular number (4656 = T₉₆).

The spelling of 23172339 in words is "twenty-three million, one hundred seventy-two thousand, three hundred thirty-nine".