23216023 has 2 divisors, whose sum is σ = 23216024. Its totient is φ = 23216022.

The previous prime is 23216003. The next prime is 23216027. The reversal of 23216023 is 32061232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23216023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23216027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11608011 + 11608012.

It is an arithmetic number, because the mean of its divisors is an integer number (11608012).

Almost surely, 2^23216023 is an apocalyptic number.

23216023 is a deficient number, since it is larger than the sum of its proper divisors (1).

23216023 is an equidigital number, since it uses as much as digits as its factorization.

23216023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23216023 is about 4818.3008415831. The cubic root of 23216023 is about 285.2742737706.

Adding to 23216023 its reverse (32061232), we get a palindrome (55277255).

The spelling of 23216023 in words is "twenty-three million, two hundred sixteen thousand, twenty-three".