1123002223231 has 12 divisors (see below), whose sum is σ = 1306828021800. Its totient is φ = 962220757680.

The previous prime is 1123002223199. The next prime is 1123002223279. The reversal of 1123002223231 is 1323222003211.

It is not a de Polignac number, because 1123002223231 - 2⁵ = 1123002223199 is a prime.

It is a super-2 number, since 2×1123002223231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123002223331) 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 11 ways as a sum of consecutive naturals, for example, 4062156 + ... + 4329793.

It is an arithmetic number, because the mean of its divisors is an integer number (108902335150).

Almost surely, 2^{1123002223231} is an apocalyptic number.

1123002223231 is a deficient number, since it is larger than the sum of its proper divisors (183825798569).

1123002223231 is an equidigital number, since it uses as much as digits as its factorization.

1123002223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394694 (or 8394687 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1123002223231 its reverse (1323222003211), we get a palindrome (2446224226442).

The spelling of 1123002223231 in words is "one trillion, one hundred twenty-three billion, two million, two hundred twenty-three thousand, two hundred thirty-one".