403231400032 has 48 divisors (see below), whose sum is σ = 806288515200. Its totient is φ = 198479508480.

The previous prime is 403231399973. The next prime is 403231400041. The reversal of 403231400032 is 230004132304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403231399976 and 403231400012.

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 7 ways as a sum of consecutive naturals, for example, 343057 + ... + 961327.

It is an arithmetic number, because the mean of its divisors is an integer number (16797677400).

Almost surely, 2^403231400032 is an apocalyptic number.

It is an amenable number.

403231400032 is a deficient number, since it is larger than the sum of its proper divisors (403057115168).

403231400032 is a wasteful number, since it uses less digits than its factorization.

403231400032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618599 (or 618591 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 403231400032 its reverse (230004132304), we get a palindrome (633235532336).

The spelling of 403231400032 in words is "four hundred three billion, two hundred thirty-one million, four hundred thousand, thirty-two".