100321432 has 16 divisors (see below), whose sum is σ = 188218800. Its totient is φ = 50129760.

The previous prime is 100321391. The next prime is 100321457. The reversal of 100321432 is 234123001.

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 3 ways as a sum of consecutive naturals, for example, 15757 + ... + 21187.

It is an arithmetic number, because the mean of its divisors is an integer number (11763675).

Almost surely, 2^100321432 is an apocalyptic number.

It is an amenable number.

100321432 is a deficient number, since it is larger than the sum of its proper divisors (87897368).

100321432 is a wasteful number, since it uses less digits than its factorization.

100321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746 (or 7742 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100321432 is about 10016.0587058982. The cubic root of 100321432 is about 464.6556698579.

Adding to 100321432 its reverse (234123001), we get a palindrome (334444433).

The spelling of 100321432 in words is "one hundred million, three hundred twenty-one thousand, four hundred thirty-two".