23532643 has 2 divisors, whose sum is σ = 23532644. Its totient is φ = 23532642.

The previous prime is 23532631. The next prime is 23532661. The reversal of 23532643 is 34623532.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23532643 is a prime.

It is not a weakly prime, because it can be changed into another prime (23532673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11766321 + 11766322.

It is an arithmetic number, because the mean of its divisors is an integer number (11766322).

Almost surely, 2^23532643 is an apocalyptic number.

23532643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23532643 is an equidigital number, since it uses as much as digits as its factorization.

23532643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 28.

The square root of 23532643 is about 4851.0455574031. The cubic root of 23532643 is about 286.5652788803.

The spelling of 23532643 in words is "twenty-three million, five hundred thirty-two thousand, six hundred forty-three".