100400323032 has 96 divisors (see below), whose sum is σ = 288904449600. Its totient is φ = 31409007552.

The previous prime is 100400323027. The next prime is 100400323039. The reversal of 100400323032 is 230323004001.

100400323032 is a `hidden beast` number, since 1 + 0 + 0 + 400 + 3 + 230 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100400322996 and 100400323014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100400323039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196578 + ... + 489329.

It is an arithmetic number, because the mean of its divisors is an integer number (3009421350).

Almost surely, 2^100400323032 is an apocalyptic number.

100400323032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100400323032 is an abundant number, since it is smaller than the sum of its proper divisors (188504126568).

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

100400323032 is a wasteful number, since it uses less digits than its factorization.

100400323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686045 (or 686038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 100400323032 its reverse (230323004001), we get a palindrome (330723327033).

The spelling of 100400323032 in words is "one hundred billion, four hundred million, three hundred twenty-three thousand, thirty-two".