12322343500 has 24 divisors (see below), whose sum is σ = 26911999296. Its totient is φ = 4928937200.

The previous prime is 12322343477. The next prime is 12322343503. The reversal of 12322343500 is 534322321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12322343503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12321844 + ... + 12322843.

It is an arithmetic number, because the mean of its divisors is an integer number (1121333304).

Almost surely, 2^12322343500 is an apocalyptic number.

12322343500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322343500 is an abundant number, since it is smaller than the sum of its proper divisors (14589655796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322343500 is a wasteful number, since it uses less digits than its factorization.

12322343500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24644706 (or 24644694 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12322343500 its reverse (534322321), we get a palindrome (12856665821).

The spelling of 12322343500 in words is "twelve billion, three hundred twenty-two million, three hundred forty-three thousand, five hundred".