12533151323 has 12 divisors (see below), whose sum is σ = 15744125040. Its totient is φ = 9766091280.

The previous prime is 12533151289. The next prime is 12533151347. The reversal of 12533151323 is 32315133521.

It is a happy number.

It is not a de Polignac number, because 12533151323 - 2¹² = 12533147227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12533151353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7397708 + ... + 7399401.

It is an arithmetic number, because the mean of its divisors is an integer number (1312010420).

Almost surely, 2^12533151323 is an apocalyptic number.

12533151323 is a deficient number, since it is larger than the sum of its proper divisors (3210973717).

12533151323 is a wasteful number, since it uses less digits than its factorization.

12533151323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14797138 (or 14797127 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

Adding to 12533151323 its reverse (32315133521), we get a palindrome (44848284844).

It can be divided in two parts, 12 and 533151323, that added together give a palindrome (533151335).

The spelling of 12533151323 in words is "twelve billion, five hundred thirty-three million, one hundred fifty-one thousand, three hundred twenty-three".