23331233 has 4 divisors (see below), whose sum is σ = 23346708. Its totient is φ = 23315760.

The previous prime is 23331229. The next prime is 23331271. The reversal of 23331233 is 33213332.

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 11102224 + 12229009 = 3332^2 + 3497^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331233 - 2² = 23331229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23301233) 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, 5198 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (5836677).

Almost surely, 2^23331233 is an apocalyptic number.

It is an amenable number.

23331233 is a deficient number, since it is larger than the sum of its proper divisors (15475).

23331233 is a wasteful number, since it uses less digits than its factorization.

23331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15474.

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

The square root of 23331233 is about 4830.2415053494. The cubic root of 23331233 is about 285.7453885069.

Adding to 23331233 its reverse (33213332), we get a palindrome (56544565).

The spelling of 23331233 in words is "twenty-three million, three hundred thirty-one thousand, two hundred thirty-three".