23321331233 has 4 divisors (see below), whose sum is σ = 23321857728. Its totient is φ = 23320804740.

The previous prime is 23321331197. The next prime is 23321331251. The reversal of 23321331233 is 33213312332.

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 23321331233 - 2¹⁰ = 23321330209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321361233) 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, 190013 + ... + 287658.

It is an arithmetic number, because the mean of its divisors is an integer number (5830464432).

Almost surely, 2^23321331233 is an apocalyptic number.

It is an amenable number.

23321331233 is a deficient number, since it is larger than the sum of its proper divisors (526495).

23321331233 is an equidigital number, since it uses as much as digits as its factorization.

23321331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526494.

The product of its digits is 5832, while the sum is 26.

Adding to 23321331233 its reverse (33213312332), we get a palindrome (56534643565).

It can be divided in two parts, 2 and 3321331233, that multiplied together give a palindrome (6642662466).

The spelling of 23321331233 in words is "twenty-three billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty-three".