23630651 has 4 divisors (see below), whose sum is σ = 25778904. Its totient is φ = 21482400.

The previous prime is 23630639. The next prime is 23630671. The reversal of 23630651 is 15603632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23630651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23630651.

It is not an unprimeable number, because it can be changed into a prime (23630671) 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, 1074110 + ... + 1074131.

It is an arithmetic number, because the mean of its divisors is an integer number (6444726).

Almost surely, 2^23630651 is an apocalyptic number.

23630651 is a deficient number, since it is larger than the sum of its proper divisors (2148253).

23630651 is a wasteful number, since it uses less digits than its factorization.

23630651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148252.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23630651 is about 4861.1368012020. The cubic root of 23630651 is about 286.9625538441.

The spelling of 23630651 in words is "twenty-three million, six hundred thirty thousand, six hundred fifty-one".