23396015 has 4 divisors (see below), whose sum is σ = 28075224. Its totient is φ = 18716808.

The previous prime is 23396003. The next prime is 23396017. The reversal of 23396015 is 51069332.

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 23396015 - 2⁸ = 23395759 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 (23396017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339597 + ... + 2339606.

It is an arithmetic number, because the mean of its divisors is an integer number (7018806).

Almost surely, 2^23396015 is an apocalyptic number.

23396015 is a deficient number, since it is larger than the sum of its proper divisors (4679209).

23396015 is an equidigital number, since it uses as much as digits as its factorization.

23396015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679208.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 23396015 is about 4836.9427327600. The cubic root of 23396015 is about 286.0096130239.

The spelling of 23396015 in words is "twenty-three million, three hundred ninety-six thousand, fifteen".