100401323204 has 96 divisors (see below), whose sum is σ = 223958380800. Its totient is φ = 39125915136.

The previous prime is 100401323203. The next prime is 100401323219. The reversal of 100401323204 is 402323104001.

It is a super-2 number, since 2×100401323204² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100401323203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1153004 + ... + 1237020.

It is an arithmetic number, because the mean of its divisors is an integer number (2332899800).

Almost surely, 2^100401323204 is an apocalyptic number.

100401323204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100401323204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111979190400).

100401323204 is an abundant number, since it is smaller than the sum of its proper divisors (123557057596).

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

100401323204 is a wasteful number, since it uses less digits than its factorization.

100401323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84122 (or 84106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100401323204 its reverse (402323104001), we get a palindrome (502724427205).

The spelling of 100401323204 in words is "one hundred billion, four hundred one million, three hundred twenty-three thousand, two hundred four".