23638633 has 2 divisors, whose sum is σ = 23638634. Its totient is φ = 23638632.

The previous prime is 23638627. The next prime is 23638639. The reversal of 23638633 is 33683632.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (23638627) and next prime (23638639).

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 242064 = 4837^2 + 492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23638633 is a prime.

It is not a weakly prime, because it can be changed into another prime (23638639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11819316 + 11819317.

It is an arithmetic number, because the mean of its divisors is an integer number (11819317).

Almost surely, 2^23638633 is an apocalyptic number.

It is an amenable number.

23638633 is a deficient number, since it is larger than the sum of its proper divisors (1).

23638633 is an equidigital number, since it uses as much as digits as its factorization.

23638633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 34.

The square root of 23638633 is about 4861.9577332593. The cubic root of 23638633 is about 286.9948604340.

The spelling of 23638633 in words is "twenty-three million, six hundred thirty-eight thousand, six hundred thirty-three".