231400533404000 has 192 divisors, whose sum is σ = 576083469911040. Its totient is φ = 91335309811200.

The previous prime is 231400533403999. The next prime is 231400533404021. The reversal of 231400533404000 is 404335004132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544255499 + ... + 544680501.

It is an arithmetic number, because the mean of its divisors is an integer number (3000434739120).

Almost surely, 2^{231400533404000} is an apocalyptic number.

231400533404000 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 231400533404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288041734955520).

231400533404000 is an abundant number, since it is smaller than the sum of its proper divisors (344682936507040).

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

231400533404000 is a wasteful number, since it uses less digits than its factorization.

231400533404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426830 (or 426812 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 231400533404000 its reverse (404335004132), we get a palindrome (231804868408132).

The spelling of 231400533404000 in words is "two hundred thirty-one trillion, four hundred billion, five hundred thirty-three million, four hundred four thousand".