23400233 has 4 divisors (see below), whose sum is σ = 23568720. Its totient is φ = 23231748.

The previous prime is 23400203. The next prime is 23400239. The reversal of 23400233 is 33200432.

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 not a de Polignac number, because 23400233 - 2¹⁰ = 23399209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23400239) 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, 84035 + ... + 84312.

It is an arithmetic number, because the mean of its divisors is an integer number (5892180).

Almost surely, 2^23400233 is an apocalyptic number.

It is an amenable number.

23400233 is a deficient number, since it is larger than the sum of its proper divisors (168487).

23400233 is a wasteful number, since it uses less digits than its factorization.

23400233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168486.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23400233 is about 4837.3787323301. The cubic root of 23400233 is about 286.0267999402.

Adding to 23400233 its reverse (33200432), we get a palindrome (56600665).

The spelling of 23400233 in words is "twenty-three million, four hundred thousand, two hundred thirty-three".