23506879 has 4 divisors (see below), whose sum is σ = 25643880. Its totient is φ = 21369880.

The previous prime is 23506859. The next prime is 23506891. The reversal of 23506879 is 97860532.

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 23506879 - 2¹⁵ = 23474111 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506859) 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, 1068484 + ... + 1068505.

It is an arithmetic number, because the mean of its divisors is an integer number (6410970).

Almost surely, 2^23506879 is an apocalyptic number.

23506879 is a deficient number, since it is larger than the sum of its proper divisors (2137001).

23506879 is a wasteful number, since it uses less digits than its factorization.

23506879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137000.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 23506879 is about 4848.3893201763. The cubic root of 23506879 is about 286.4606615924.

It can be divided in two parts, 2350 and 6879, that added together give a palindrome (9229).

The spelling of 23506879 in words is "twenty-three million, five hundred six thousand, eight hundred seventy-nine".