23312033 has 4 divisors (see below), whose sum is σ = 23367828. Its totient is φ = 23256240.

The previous prime is 23312017. The next prime is 23312053. The reversal of 23312033 is 33021332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6436369 + 16875664 = 2537^2 + 4108^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312033 - 2⁴ = 23312017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23312053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27266 + ... + 28107.

It is an arithmetic number, because the mean of its divisors is an integer number (5841957).

Almost surely, 2^23312033 is an apocalyptic number.

It is an amenable number.

23312033 is a deficient number, since it is larger than the sum of its proper divisors (55795).

23312033 is an equidigital number, since it uses as much as digits as its factorization.

23312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55794.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 23312033 is about 4828.2536180280. The cubic root of 23312033 is about 285.6669840622. Note that the first 3 decimals are identical.

Adding to 23312033 its reverse (33021332), we get a palindrome (56333365).

The spelling of 23312033 in words is "twenty-three million, three hundred twelve thousand, thirty-three".