23379309 has 6 divisors (see below), whose sum is σ = 33770126. Its totient is φ = 15586200.

The previous prime is 23379299. The next prime is 23379313. The reversal of 23379309 is 90397332.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 6487209 = 4110^2 + 2547^2 .

It is not a de Polignac number, because 23379309 - 2⁵ = 23379277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23379319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1298842 + ... + 1298859.

Almost surely, 2^23379309 is an apocalyptic number.

It is an amenable number.

23379309 is a deficient number, since it is larger than the sum of its proper divisors (10390817).

23379309 is a wasteful number, since it uses less digits than its factorization.

23379309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597707 (or 2597704 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 36.

The square root of 23379309 is about 4835.2155070896. The cubic root of 23379309 is about 285.9415214520.

The spelling of 23379309 in words is "twenty-three million, three hundred seventy-nine thousand, three hundred nine".