100400323062 has 64 divisors (see below), whose sum is σ = 221356751616. Its totient is φ = 30162948480.

The previous prime is 100400323061. The next prime is 100400323063. The reversal of 100400323062 is 260323004001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100400323061) and next prime (100400323063).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100400323061) 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, 18045093 + ... + 18050655.

It is an arithmetic number, because the mean of its divisors is an integer number (3458699244).

Almost surely, 2^100400323062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100400323062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110678375808).

100400323062 is an abundant number, since it is smaller than the sum of its proper divisors (120956428554).

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

100400323062 is a wasteful number, since it uses less digits than its factorization.

100400323062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100400323062 its reverse (260323004001), we get a palindrome (360723327063).

The spelling of 100400323062 in words is "one hundred billion, four hundred million, three hundred twenty-three thousand, sixty-two".