23066939 has 4 divisors (see below), whose sum is σ = 26362224. Its totient is φ = 19771656.

The previous prime is 23066933. The next prime is 23066951. The reversal of 23066939 is 93966032.

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 23066939 - 2²⁰ = 22018363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23066933) 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, 1647632 + ... + 1647645.

It is an arithmetic number, because the mean of its divisors is an integer number (6590556).

Almost surely, 2^23066939 is an apocalyptic number.

23066939 is a deficient number, since it is larger than the sum of its proper divisors (3295285).

23066939 is an equidigital number, since it uses as much as digits as its factorization.

23066939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295284.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 23066939 is about 4802.8053260568. The cubic root of 23066939 is about 284.6623229566.

The spelling of 23066939 in words is "twenty-three million, sixty-six thousand, nine hundred thirty-nine".