23233331 has 12 divisors (see below), whose sum is σ = 25721136. Its totient is φ = 20969520.

The previous prime is 23233307. The next prime is 23233337. The reversal of 23233331 is 13333232.

It is not a de Polignac number, because 23233331 - 2¹⁸ = 22971187 is a prime.

It is a super-2 number, since 2×23233331² = 1079575338711122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23233337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18386 + ... + 19608.

It is an arithmetic number, because the mean of its divisors is an integer number (2143428).

Almost surely, 2^23233331 is an apocalyptic number.

23233331 is a deficient number, since it is larger than the sum of its proper divisors (2487805).

23233331 is a wasteful number, since it uses less digits than its factorization.

23233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1391 counting only the distinct ones).

The product of its digits is 972, while the sum is 20.

The square root of 23233331 is about 4820.0965757960. The cubic root of 23233331 is about 285.3451486807.

Adding to 23233331 its reverse (13333232), we get a palindrome (36566563).

Subtracting from 23233331 its reverse (13333232), we obtain a palindrome (9900099).

The spelling of 23233331 in words is "twenty-three million, two hundred thirty-three thousand, three hundred thirty-one".