23404033 has 2 divisors, whose sum is σ = 23404034. Its totient is φ = 23404032.

The previous prime is 23404021. The next prime is 23404049. The reversal of 23404033 is 33040432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 1238769 = 4708^2 + 1113^2 .

It is a cyclic number.

It is not a de Polignac number, because 23404033 - 2⁵ = 23404001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23404033.

It is not a weakly prime, because it can be changed into another prime (23404093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702016 + 11702017.

It is an arithmetic number, because the mean of its divisors is an integer number (11702017).

Almost surely, 2^23404033 is an apocalyptic number.

It is an amenable number.

23404033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23404033 is an equidigital number, since it uses as much as digits as its factorization.

23404033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23404033 is about 4837.7714910897. The cubic root of 23404033 is about 286.0422818802.

Adding to 23404033 its reverse (33040432), we get a palindrome (56444465).

The spelling of 23404033 in words is "twenty-three million, four hundred four thousand, thirty-three".