23202643 has 2 divisors, whose sum is σ = 23202644. Its totient is φ = 23202642.

The previous prime is 23202623. The next prime is 23202659. The reversal of 23202643 is 34620232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23202643 - 2⁵ = 23202611 is a prime.

It is not a weakly prime, because it can be changed into another prime (23202623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601321 + 11601322.

It is an arithmetic number, because the mean of its divisors is an integer number (11601322).

Almost surely, 2^23202643 is an apocalyptic number.

23202643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202643 is an equidigital number, since it uses as much as digits as its factorization.

23202643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 23202643 is about 4816.9121852074. The cubic root of 23202643 is about 285.2194595691.

Adding to 23202643 its reverse (34620232), we get a palindrome (57822875).

The spelling of 23202643 in words is "twenty-three million, two hundred two thousand, six hundred forty-three".