231452202134400 has 576 divisors, whose sum is σ = 827865938970000. Its totient is φ = 56809464791040.

The previous prime is 231452202134399. The next prime is 231452202134411. The reversal of 231452202134400 is 4431202254132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 566013216 + ... + 566421984.

Almost surely, 2^{231452202134400} is an apocalyptic number.

231452202134400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231452202134400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413932969485000).

231452202134400 is an abundant number, since it is smaller than the sum of its proper divisors (596413736835600).

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

231452202134400 is a wasteful number, since it uses less digits than its factorization.

231452202134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409171 (or 409141 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 231452202134400 its reverse (4431202254132), we get a palindrome (235883404388532).

The spelling of 231452202134400 in words is "two hundred thirty-one trillion, four hundred fifty-two billion, two hundred two million, one hundred thirty-four thousand, four hundred".