23303133 has 40 divisors (see below), whose sum is σ = 40400448. Its totient is φ = 13110336.

The previous prime is 23303113. The next prime is 23303149. The reversal of 23303133 is 33130332.

It is not a de Polignac number, because 23303133 - 2⁹ = 23302621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303113) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41110 + ... + 41672.

Almost surely, 2^23303133 is an apocalyptic number.

It is an amenable number.

23303133 is a deficient number, since it is larger than the sum of its proper divisors (17097315).

23303133 is an equidigital number, since it uses as much as digits as its factorization.

23303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 23303133 is about 4827.3318717486. The cubic root of 23303133 is about 285.6306257321.

Adding to 23303133 its reverse (33130332), we get a palindrome (56433465).

It can be divided in two parts, 23303 and 133, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 23303133 in words is "twenty-three million, three hundred three thousand, one hundred thirty-three".