23066439 has 8 divisors (see below), whose sum is σ = 33551232. Its totient is φ = 13979640.

The previous prime is 23066431. The next prime is 23066441. The reversal of 23066439 is 93466032.

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

It is not a de Polignac number, because 23066439 - 2³ = 23066431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 698983 = 23066439 / (2 + 3 + 0 + 6 + 6 + 4 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23066431) 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, 349459 + ... + 349524.

It is an arithmetic number, because the mean of its divisors is an integer number (4193904).

Almost surely, 2^23066439 is an apocalyptic number.

23066439 is a deficient number, since it is larger than the sum of its proper divisors (10484793).

23066439 is a wasteful number, since it uses less digits than its factorization.

23066439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698997.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 23066439 is about 4802.7532728634. The cubic root of 23066439 is about 284.6602661574.

The spelling of 23066439 in words is "twenty-three million, sixty-six thousand, four hundred thirty-nine".