23980839 has 8 divisors (see below), whose sum is σ = 32050032. Its totient is φ = 15949440.

The previous prime is 23980819. The next prime is 23980843. The reversal of 23980839 is 93808932.

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

It is not a de Polignac number, because 23980839 - 2¹⁶ = 23915303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23980839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23980819) 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, 7932 + ... + 10529.

It is an arithmetic number, because the mean of its divisors is an integer number (4006254).

Almost surely, 2^23980839 is an apocalyptic number.

23980839 is a deficient number, since it is larger than the sum of its proper divisors (8069193).

23980839 is a wasteful number, since it uses less digits than its factorization.

23980839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18897.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 23980839 is about 4897.0234837093. The cubic root of 23980839 is about 288.3731298903.

The spelling of 23980839 in words is "twenty-three million, nine hundred eighty thousand, eight hundred thirty-nine".