23051979 has 32 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 14826240.

The previous prime is 23051971. The next prime is 23051993. The reversal of 23051979 is 97915032.

It is not a de Polignac number, because 23051979 - 2³ = 23051971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23051971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127269 + ... + 127449.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^23051979 is an apocalyptic number.

23051979 is a deficient number, since it is larger than the sum of its proper divisors (12328821).

23051979 is a wasteful number, since it uses less digits than its factorization.

23051979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 23051979 is about 4801.2476503509. The cubic root of 23051979 is about 284.6007706587.

The spelling of 23051979 in words is "twenty-three million, fifty-one thousand, nine hundred seventy-nine".