12312324253 has 4 divisors (see below), whose sum is σ = 12315958528. Its totient is φ = 12308689980.

The previous prime is 12312324229. The next prime is 12312324263. The reversal of 12312324253 is 35242321321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35242321321 = 1699 ⋅20742979.

It is a cyclic number.

It is not a de Polignac number, because 12312324253 - 2²⁵ = 12278769821 is a prime.

It is a super-2 number, since 2×12312324253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312324263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812051 + ... + 1818832.

It is an arithmetic number, because the mean of its divisors is an integer number (3078989632).

Almost surely, 2^12312324253 is an apocalyptic number.

It is an amenable number.

12312324253 is a deficient number, since it is larger than the sum of its proper divisors (3634275).

12312324253 is an equidigital number, since it uses as much as digits as its factorization.

12312324253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634274.

The product of its digits is 8640, while the sum is 28.

Adding to 12312324253 its reverse (35242321321), we get a palindrome (47554645574).

The spelling of 12312324253 in words is "twelve billion, three hundred twelve million, three hundred twenty-four thousand, two hundred fifty-three".