23004133 has 4 divisors (see below), whose sum is σ = 23014080. Its totient is φ = 22994188.

The previous prime is 23004127. The next prime is 23004143. The reversal of 23004133 is 33140032.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23004133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004143) 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, 516 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (5753520).

Almost surely, 2^23004133 is an apocalyptic number.

It is an amenable number.

23004133 is a deficient number, since it is larger than the sum of its proper divisors (9947).

23004133 is an equidigital number, since it uses as much as digits as its factorization.

23004133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23004133 is about 4796.2623989936. The cubic root of 23004133 is about 284.4037313160.

Adding to 23004133 its reverse (33140032), we get a palindrome (56144165).

The spelling of 23004133 in words is "twenty-three million, four thousand, one hundred thirty-three".