23452643 has 2 divisors, whose sum is σ = 23452644. Its totient is φ = 23452642.

The previous prime is 23452633. The next prime is 23452661. The reversal of 23452643 is 34625432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23452643 - 2¹⁶ = 23387107 is a prime.

It is not a weakly prime, because it can be changed into another prime (23452633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726321 + 11726322.

It is an arithmetic number, because the mean of its divisors is an integer number (11726322).

Almost surely, 2^23452643 is an apocalyptic number.

23452643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23452643 is an equidigital number, since it uses as much as digits as its factorization.

23452643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 29.

The square root of 23452643 is about 4842.7928925363. The cubic root of 23452643 is about 286.2401808191.

The spelling of 23452643 in words is "twenty-three million, four hundred fifty-two thousand, six hundred forty-three".