3231122223 has 16 divisors (see below), whose sum is σ = 4924558080. Its totient is φ = 1846001856.

The previous prime is 3231122201. The next prime is 3231122239. The reversal of 3231122223 is 3222211323.

It is a happy number.

It is not a de Polignac number, because 3231122223 - 2¹⁸ = 3230860079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3231122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231122243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131011 + ... + 153707.

It is an arithmetic number, because the mean of its divisors is an integer number (307784880).

Almost surely, 2^3231122223 is an apocalyptic number.

3231122223 is a deficient number, since it is larger than the sum of its proper divisors (1693435857).

3231122223 is a wasteful number, since it uses less digits than its factorization.

3231122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29486.

The product of its digits is 864, while the sum is 21.

The square root of 3231122223 is about 56842.9610681921. The cubic root of 3231122223 is about 1478.3744971486.

Adding to 3231122223 its reverse (3222211323), we get a palindrome (6453333546).

The spelling of 3231122223 in words is "three billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred twenty-three".