23983839 has 12 divisors (see below), whose sum is σ = 37792872. Its totient is φ = 14535600.

The previous prime is 23983837. The next prime is 23983849. The reversal of 23983839 is 93838932.

It is not a de Polignac number, because 23983839 - 2¹ = 23983837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23983794 and 23983803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23983837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121032 + ... + 121229.

It is an arithmetic number, because the mean of its divisors is an integer number (3149406).

Almost surely, 2^23983839 is an apocalyptic number.

23983839 is a deficient number, since it is larger than the sum of its proper divisors (13809033).

23983839 is a wasteful number, since it uses less digits than its factorization.

23983839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242278 (or 242275 counting only the distinct ones).

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

The square root of 23983839 is about 4897.3297826469. The cubic root of 23983839 is about 288.3851545365.

The spelling of 23983839 in words is "twenty-three million, nine hundred eighty-three thousand, eight hundred thirty-nine".