23180039 has 4 divisors (see below), whose sum is σ = 23193024. Its totient is φ = 23167056.

The previous prime is 23180023. The next prime is 23180063. The reversal of 23180039 is 93008132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23180039 - 2⁴ = 23180023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23180099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287 + ... + 7560.

It is an arithmetic number, because the mean of its divisors is an integer number (5798256).

Almost surely, 2^23180039 is an apocalyptic number.

23180039 is a deficient number, since it is larger than the sum of its proper divisors (12985).

23180039 is a wasteful number, since it uses less digits than its factorization.

23180039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 23180039 is about 4814.5652970959. The cubic root of 23180039 is about 285.1268092708.

The spelling of 23180039 in words is "twenty-three million, one hundred eighty thousand, thirty-nine".