231424212400 has 60 divisors (see below), whose sum is σ = 556443025000. Its totient is φ = 92495370240.

The previous prime is 231424212359. The next prime is 231424212403. The reversal of 231424212400 is 4212424132.

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 (231424212403) 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, 267991 + ... + 731209.

Almost surely, 2^231424212400 is an apocalyptic number.

231424212400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231424212400 is an abundant number, since it is smaller than the sum of its proper divisors (325018812600).

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

231424212400 is a wasteful number, since it uses less digits than its factorization.

231424212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464486 (or 464475 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 231424212400 its reverse (4212424132), we get a palindrome (235636636532).

The spelling of 231424212400 in words is "two hundred thirty-one billion, four hundred twenty-four million, two hundred twelve thousand, four hundred".