403312323432 has 16 divisors (see below), whose sum is σ = 1008280808640. Its totient is φ = 134437441136.

The previous prime is 403312323409. The next prime is 403312323443. The reversal of 403312323432 is 234323213304.

It is a self number, because there is not a number n which added to its sum of digits gives 403312323432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8402340048 + ... + 8402340095.

It is an arithmetic number, because the mean of its divisors is an integer number (63017550540).

Almost surely, 2^403312323432 is an apocalyptic number.

It is an amenable number.

403312323432 is an abundant number, since it is smaller than the sum of its proper divisors (604968485208).

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

403312323432 is a wasteful number, since it uses less digits than its factorization.

403312323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16804680152 (or 16804680148 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 403312323432 its reverse (234323213304), we get a palindrome (637635536736).

The spelling of 403312323432 in words is "four hundred three billion, three hundred twelve million, three hundred twenty-three thousand, four hundred thirty-two".