12323023400 has 24 divisors (see below), whose sum is σ = 28651029870. Its totient is φ = 4929209280.

The previous prime is 12323023379. The next prime is 12323023403. The reversal of 12323023400 is 432032321.

It can be written as a sum of positive squares in 3 ways, for example, as 10236178276 + 2086845124 = 101174^2 + 45682^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12323023403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30807359 + ... + 30807758.

Almost surely, 2^12323023400 is an apocalyptic number.

12323023400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323023400 is an abundant number, since it is smaller than the sum of its proper divisors (16328006470).

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

12323023400 is a wasteful number, since it uses less digits than its factorization.

12323023400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61615133 (or 61615124 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12323023400 its reverse (432032321), we get a palindrome (12755055721).

The spelling of 12323023400 in words is "twelve billion, three hundred twenty-three million, twenty-three thousand, four hundred".