12231144023 has 32 divisors (see below), whose sum is σ = 15107420160. Its totient is φ = 9677364480.

The previous prime is 12231144011. The next prime is 12231144061. The reversal of 12231144023 is 32044113221.

It is not a de Polignac number, because 12231144023 - 2¹² = 12231139927 is a prime.

It is a super-2 number, since 2×12231144023² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12231144023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231144623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510611 + ... + 534027.

It is an arithmetic number, because the mean of its divisors is an integer number (472106880).

Almost surely, 2^12231144023 is an apocalyptic number.

12231144023 is a deficient number, since it is larger than the sum of its proper divisors (2876276137).

12231144023 is a wasteful number, since it uses less digits than its factorization.

12231144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23567.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12231144023 its reverse (32044113221), we get a palindrome (44275257244).

The spelling of 12231144023 in words is "twelve billion, two hundred thirty-one million, one hundred forty-four thousand, twenty-three".