12323123230 has 32 divisors (see below), whose sum is σ = 24202758528. Its totient is φ = 4480279200.

The previous prime is 12323123203. The next prime is 12323123231. The reversal of 12323123230 is 3232132321.

It is a super-2 number, since 2×12323123230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323123231) 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, 993849 + ... + 1006171.

It is an arithmetic number, because the mean of its divisors is an integer number (756336204).

Almost surely, 2^12323123230 is an apocalyptic number.

12323123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323123230 is a deficient number, since it is larger than the sum of its proper divisors (11879635298).

12323123230 is a wasteful number, since it uses less digits than its factorization.

12323123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12323123230 its reverse (3232132321), we get a palindrome (15555255551).

Subtracting from 12323123230 its reverse (3232132321), we obtain a palindrome (9090990909).

The spelling of 12323123230 in words is "twelve billion, three hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty".