23993329 has 2 divisors, whose sum is σ = 23993330. Its totient is φ = 23993328.

The previous prime is 23993317. The next prime is 23993357. The reversal of 23993329 is 92339932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 178929 = 4880^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 23993329 - 2⁵ = 23993297 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23993291 and 23993300.

It is not a weakly prime, because it can be changed into another prime (23993309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11996664 + 11996665.

It is an arithmetic number, because the mean of its divisors is an integer number (11996665).

Almost surely, 2^23993329 is an apocalyptic number.

It is an amenable number.

23993329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23993329 is an equidigital number, since it uses as much as digits as its factorization.

23993329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 40.

The square root of 23993329 is about 4898.2985821610. The cubic root of 23993329 is about 288.4231858991.

The spelling of 23993329 in words is "twenty-three million, nine hundred ninety-three thousand, three hundred twenty-nine".