231432400401 has 8 divisors (see below), whose sum is σ = 308737846560. Its totient is φ = 154207610592.

The previous prime is 231432400399. The next prime is 231432400439. The reversal of 231432400401 is 104004234132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231432400401 - 2¹ = 231432400399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231432400471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20157391 + ... + 20168868.

It is an arithmetic number, because the mean of its divisors is an integer number (38592230820).

Almost surely, 2^231432400401 is an apocalyptic number.

It is an amenable number.

231432400401 is a deficient number, since it is larger than the sum of its proper divisors (77305446159).

231432400401 is a wasteful number, since it uses less digits than its factorization.

231432400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328175.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231432400401 its reverse (104004234132), we get a palindrome (335436634533).

The spelling of 231432400401 in words is "two hundred thirty-one billion, four hundred thirty-two million, four hundred thousand, four hundred one".