23321233 has 4 divisors (see below), whose sum is σ = 25115188. Its totient is φ = 21527280.

The previous prime is 23321231. The next prime is 23321261. The reversal of 23321233 is 33212332.

It is a happy number.

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 11370384 + 11950849 = 3372^2 + 3457^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321233 - 2¹ = 23321231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23321233.

It is not an unprimeable number, because it can be changed into a prime (23321231) 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, 896958 + ... + 896983.

It is an arithmetic number, because the mean of its divisors is an integer number (6278797).

Almost surely, 2^23321233 is an apocalyptic number.

It is an amenable number.

23321233 is a deficient number, since it is larger than the sum of its proper divisors (1793955).

23321233 is a wasteful number, since it uses less digits than its factorization.

23321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793954.

The product of its digits is 648, while the sum is 19.

The square root of 23321233 is about 4829.2062494783. The cubic root of 23321233 is about 285.7045582283.

Adding to 23321233 its reverse (33212332), we get a palindrome (56533565).

It can be divided in two parts, 2 and 3321233, that multiplied together give a palindrome (6642466).

The spelling of 23321233 in words is "twenty-three million, three hundred twenty-one thousand, two hundred thirty-three".