23620005 has 20 divisors (see below), whose sum is σ = 42341772. Its totient is φ = 12597120.

The previous prime is 23619997. The next prime is 23620013. The reversal of 23620005 is 50002632.

It is an interprime number because it is at equal distance from previous prime (23619997) and next prime (23620013).

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 20412324 = 1791^2 + 4518^2 .

It is not a de Polignac number, because 23620005 - 2³ = 23619997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23620005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28756 + ... + 29565.

Almost surely, 2^23620005 is an apocalyptic number.

It is an amenable number.

23620005 is a deficient number, since it is larger than the sum of its proper divisors (18721767).

23620005 is an equidigital number, since it uses as much as digits as its factorization.

23620005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58338 (or 58329 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23620005 is about 4860.0416664881. The cubic root of 23620005 is about 286.9194535751.

Adding to 23620005 its reverse (50002632), we get a palindrome (73622637).

The spelling of 23620005 in words is "twenty-three million, six hundred twenty thousand, five".