12323100 has 36 divisors (see below), whose sum is σ = 35655704. Its totient is φ = 3286080.

The previous prime is 12323099. The next prime is 12323107. The reversal of 12323100 is 132321.

It is a happy number.

It is a super-2 number, since 2×12323100² = 303717587220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323107) 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, 20239 + ... + 20838.

Almost surely, 2^12323100 is an apocalyptic number.

12323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323100 is an abundant number, since it is smaller than the sum of its proper divisors (23332604).

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

12323100 is a wasteful number, since it uses less digits than its factorization.

12323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41094 (or 41087 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12323100 is about 3510.4273244151. The cubic root of 12323100 is about 230.9794400846.

Adding to 12323100 its reverse (132321), we get a palindrome (12455421).

The spelling of 12323100 in words is "twelve million, three hundred twenty-three thousand, one hundred".