23893389 has 36 divisors (see below), whose sum is σ = 39053664. Its totient is φ = 14043744.

The previous prime is 23893367. The next prime is 23893403. The reversal of 23893389 is 98339832.

It is not a de Polignac number, because 23893389 - 2⁵ = 23893357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23893319) 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 35 ways as a sum of consecutive naturals, for example, 34642 + ... + 35324.

It is an arithmetic number, because the mean of its divisors is an integer number (1084824).

Almost surely, 2^23893389 is an apocalyptic number.

It is an amenable number.

23893389 is a deficient number, since it is larger than the sum of its proper divisors (15160275).

23893389 is a wasteful number, since it uses less digits than its factorization.

23893389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 722 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 23893389 is about 4888.0864354060. The cubic root of 23893389 is about 288.0221698790.

It can be divided in two parts, 2389 and 3389, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 23893389 in words is "twenty-three million, eight hundred ninety-three thousand, three hundred eighty-nine".