23612623 has 4 divisors (see below), whose sum is σ = 24250840. Its totient is φ = 22974408.

The previous prime is 23612621. The next prime is 23612639. The reversal of 23612623 is 32621632.

It is a happy number.

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 23612623 - 2¹ = 23612621 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 (23612621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319053 + ... + 319126.

It is an arithmetic number, because the mean of its divisors is an integer number (6062710).

Almost surely, 2^23612623 is an apocalyptic number.

23612623 is a deficient number, since it is larger than the sum of its proper divisors (638217).

23612623 is an equidigital number, since it uses as much as digits as its factorization.

23612623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638216.

The product of its digits is 2592, while the sum is 25.

The square root of 23612623 is about 4859.2821486306. The cubic root of 23612623 is about 286.8895599871.

Subtracting 23612623 from its reverse (32621632), we obtain a palindrome (9009009).

The spelling of 23612623 in words is "twenty-three million, six hundred twelve thousand, six hundred twenty-three".