12331423400 has 24 divisors (see below), whose sum is σ = 28670559870. Its totient is φ = 4932569280.

The previous prime is 12331423387. The next prime is 12331423409. The reversal of 12331423400 is 432413321.

It can be written as a sum of positive squares in 3 ways, for example, as 9146627044 + 3184796356 = 95638^2 + 56434^2 .

It is not an unprimeable number, because it can be changed into a prime (12331423409) 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, 30828359 + ... + 30828758.

Almost surely, 2^12331423400 is an apocalyptic number.

12331423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331423400 is an abundant number, since it is smaller than the sum of its proper divisors (16339136470).

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

12331423400 is a wasteful number, since it uses less digits than its factorization.

12331423400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61657133 (or 61657124 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12331423400 its reverse (432413321), we get a palindrome (12763836721).

The spelling of 12331423400 in words is "twelve billion, three hundred thirty-one million, four hundred twenty-three thousand, four hundred".