23629643 has 8 divisors (see below), whose sum is σ = 25696512. Its totient is φ = 21638016.

The previous prime is 23629603. The next prime is 23629667. The reversal of 23629643 is 34692632.

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 23629643 - 2¹⁴ = 23613259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23629603) 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 7 ways as a sum of consecutive naturals, for example, 18155 + ... + 19412.

It is an arithmetic number, because the mean of its divisors is an integer number (3212064).

Almost surely, 2^23629643 is an apocalyptic number.

23629643 is a deficient number, since it is larger than the sum of its proper divisors (2066869).

23629643 is a wasteful number, since it uses less digits than its factorization.

23629643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37621.

The product of its digits is 46656, while the sum is 35.

The square root of 23629643 is about 4861.0331206442. The cubic root of 23629643 is about 286.9584735168.

The spelling of 23629643 in words is "twenty-three million, six hundred twenty-nine thousand, six hundred forty-three".