23333321231 has 4 divisors (see below), whose sum is σ = 25454532264. Its totient is φ = 21212110200.

The previous prime is 23333321227. The next prime is 23333321251. The reversal of 23333321231 is 13212333332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23333321231 - 2² = 23333321227 is a prime.

It is a super-2 number, since 2×23333321231² (a number of 22 digits) contains 22 as substring.

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 23333321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23333321251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060605500 + ... + 1060605521.

It is an arithmetic number, because the mean of its divisors is an integer number (6363633066).

Almost surely, 2^23333321231 is an apocalyptic number.

23333321231 is a deficient number, since it is larger than the sum of its proper divisors (2121211033).

23333321231 is a wasteful number, since it uses less digits than its factorization.

23333321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121211032.

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

Adding to 23333321231 its reverse (13212333332), we get a palindrome (36545654563).

The spelling of 23333321231 in words is "twenty-three billion, three hundred thirty-three million, three hundred twenty-one thousand, two hundred thirty-one".