23379817 has 4 divisors (see below), whose sum is σ = 23407956. Its totient is φ = 23351680.

The previous prime is 23379809. The next prime is 23379847. The reversal of 23379817 is 71897332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 3345241 = 4476^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 23379817 - 2³ = 23379809 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23379817.

It is not an unprimeable number, because it can be changed into a prime (23379847) 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, 12784 + ... + 14497.

It is an arithmetic number, because the mean of its divisors is an integer number (5851989).

Almost surely, 2^23379817 is an apocalyptic number.

It is an amenable number.

23379817 is a deficient number, since it is larger than the sum of its proper divisors (28139).

23379817 is an equidigital number, since it uses as much as digits as its factorization.

23379817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28138.

The product of its digits is 63504, while the sum is 40.

The square root of 23379817 is about 4835.2680380719. The cubic root of 23379817 is about 285.9435924747.

The spelling of 23379817 in words is "twenty-three million, three hundred seventy-nine thousand, eight hundred seventeen".