23164489 has 8 divisors (see below), whose sum is σ = 24706080. Its totient is φ = 21642816.

The previous prime is 23164483. The next prime is 23164499. The reversal of 23164489 is 98446132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23164489 - 2¹¹ = 23162441 is a prime.

It is a super-2 number, since 2×23164489² = 1073187101262242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23164483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2539 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (3088260).

Almost surely, 2^23164489 is an apocalyptic number.

It is an amenable number.

23164489 is a deficient number, since it is larger than the sum of its proper divisors (1541591).

23164489 is a wasteful number, since it uses less digits than its factorization.

23164489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959.

The product of its digits is 41472, while the sum is 37.

The square root of 23164489 is about 4812.9501347926. The cubic root of 23164489 is about 285.0630372514.

It can be divided in two parts, 23164 and 489, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 23164489 in words is "twenty-three million, one hundred sixty-four thousand, four hundred eighty-nine".