23572623 has 4 divisors (see below), whose sum is σ = 31430168. Its totient is φ = 15715080.

The previous prime is 23572609. The next prime is 23572687. The reversal of 23572623 is 32627532.

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

It is not a de Polignac number, because 23572623 - 2⁴ = 23572607 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 (23572603) 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, 3928768 + ... + 3928773.

It is an arithmetic number, because the mean of its divisors is an integer number (7857542).

Almost surely, 2^23572623 is an apocalyptic number.

23572623 is a deficient number, since it is larger than the sum of its proper divisors (7857545).

23572623 is an equidigital number, since it uses as much as digits as its factorization.

23572623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857544.

The product of its digits is 15120, while the sum is 30.

The square root of 23572623 is about 4855.1645698164. The cubic root of 23572623 is about 286.7274705767.

The spelling of 23572623 in words is "twenty-three million, five hundred seventy-two thousand, six hundred twenty-three".