23561233 has 4 divisors (see below), whose sum is σ = 23693040. Its totient is φ = 23429428.

The previous prime is 23561231. The next prime is 23561257. The reversal of 23561233 is 33216532.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23561233 - 2¹ = 23561231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23561198 and 23561207.

It is not an unprimeable number, because it can be changed into a prime (23561231) 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, 65635 + ... + 65992.

It is an arithmetic number, because the mean of its divisors is an integer number (5923260).

Almost surely, 2^23561233 is an apocalyptic number.

It is an amenable number.

23561233 is a deficient number, since it is larger than the sum of its proper divisors (131807).

23561233 is a wasteful number, since it uses less digits than its factorization.

23561233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131806.

The product of its digits is 3240, while the sum is 25.

The square root of 23561233 is about 4853.9914503427. The cubic root of 23561233 is about 286.6812820804.

Adding to 23561233 its reverse (33216532), we get a palindrome (56777765).

The spelling of 23561233 in words is "twenty-three million, five hundred sixty-one thousand, two hundred thirty-three".