23304133 has 4 divisors (see below), whose sum is σ = 23368000. Its totient is φ = 23240268.

The previous prime is 23304109. The next prime is 23304137. The reversal of 23304133 is 33140332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23304133 is a prime.

It is a super-2 number, since 2×23304133² = 1086165229763378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23304133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31383 + ... + 32116.

It is an arithmetic number, because the mean of its divisors is an integer number (5842000).

Almost surely, 2^23304133 is an apocalyptic number.

It is an amenable number.

23304133 is a deficient number, since it is larger than the sum of its proper divisors (63867).

23304133 is an equidigital number, since it uses as much as digits as its factorization.

23304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63866.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 23304133 is about 4827.4354475228. The cubic root of 23304133 is about 285.6347113993.

Adding to 23304133 its reverse (33140332), we get a palindrome (56444465).

The spelling of 23304133 in words is "twenty-three million, three hundred four thousand, one hundred thirty-three".