23812645 has 8 divisors (see below), whose sum is σ = 29347704. Its totient is φ = 18535104.

The previous prime is 23812637. The next prime is 23812651. The reversal of 23812645 is 54621832.

It can be written as a sum of positive squares in 4 ways, for example, as 6895876 + 16916769 = 2626^2 + 4113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23812645 - 2³ = 23812637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64174 + ... + 64543.

It is an arithmetic number, because the mean of its divisors is an integer number (3668463).

Almost surely, 2^23812645 is an apocalyptic number.

It is an amenable number.

23812645 is a deficient number, since it is larger than the sum of its proper divisors (5535059).

23812645 is a wasteful number, since it uses less digits than its factorization.

23812645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128759.

The product of its digits is 11520, while the sum is 31.

The square root of 23812645 is about 4879.8201811132. The cubic root of 23812645 is about 287.6973616496.

The spelling of 23812645 in words is "twenty-three million, eight hundred twelve thousand, six hundred forty-five".