23179009 has 24 divisors (see below), whose sum is σ = 28531008. Its totient is φ = 18738720.

The previous prime is 23179001. The next prime is 23179019. The reversal of 23179009 is 90097132.

It is not a de Polignac number, because 23179009 - 2³ = 23179001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23179001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147559 + ... + 147715.

It is an arithmetic number, because the mean of its divisors is an integer number (1188792).

Almost surely, 2^23179009 is an apocalyptic number.

It is an amenable number.

23179009 is a deficient number, since it is larger than the sum of its proper divisors (5351999).

23179009 is a wasteful number, since it uses less digits than its factorization.

23179009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 23179009 is about 4814.4583288258. The cubic root of 23179009 is about 285.1225860256.

The spelling of 23179009 in words is "twenty-three million, one hundred seventy-nine thousand, nine".