2223231123 has 16 divisors (see below), whose sum is σ = 3067969536. Its totient is φ = 1430574720.

The previous prime is 2223231113. The next prime is 2223231137. The reversal of 2223231123 is 3211323222.

It is a happy number.

It is not a de Polignac number, because 2223231123 - 2⁵ = 2223231091 is a prime.

It is a super-2 number, since 2×2223231123² = 9885513252551682258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2223231123.

It is not an unprimeable number, because it can be changed into a prime (2223231103) 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, 4411 + ... + 66827.

It is an arithmetic number, because the mean of its divisors is an integer number (191748096).

Almost surely, 2^2223231123 is an apocalyptic number.

2223231123 is a deficient number, since it is larger than the sum of its proper divisors (844738413).

2223231123 is a wasteful number, since it uses less digits than its factorization.

2223231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62834.

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

The square root of 2223231123 is about 47151.1518735227. The cubic root of 2223231123 is about 1305.1533361610.

Adding to 2223231123 its reverse (3211323222), we get a palindrome (5434554345).

It can be divided in two parts, 222323 and 1123, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 2223231123 in words is "two billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-three".