23090439 has 8 divisors (see below), whose sum is σ = 30835440. Its totient is φ = 15369536.

The previous prime is 23090423. The next prime is 23090447. The reversal of 23090439 is 93409032.

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 23090439 - 2⁴ = 23090423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040439) 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, 3654 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (3854430).

Almost surely, 2^23090439 is an apocalyptic number.

23090439 is a deficient number, since it is larger than the sum of its proper divisors (7745001).

23090439 is a wasteful number, since it uses less digits than its factorization.

23090439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 23090439 is about 4805.2511901044. The cubic root of 23090439 is about 284.7589590145.

The spelling of 23090439 in words is "twenty-three million, ninety thousand, four hundred thirty-nine".