100420023343344 has 160 divisors (see below), whose sum is σ = 263969590460160. Its totient is φ = 32889742350336.

The previous prime is 100420023343301. The next prime is 100420023343363. The reversal of 100420023343344 is 443343320024001.

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 31 ways as a sum of consecutive naturals, for example, 1358109927 + ... + 1358183865.

It is an arithmetic number, because the mean of its divisors is an integer number (1649809940376).

Almost surely, 2^{100420023343344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100420023343344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131984795230080).

100420023343344 is an abundant number, since it is smaller than the sum of its proper divisors (163549567116816).

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

100420023343344 is a wasteful number, since it uses less digits than its factorization.

100420023343344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75487 (or 75481 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 100420023343344 its reverse (443343320024001), we get a palindrome (543763343367345).

The spelling of 100420023343344 in words is "one hundred trillion, four hundred twenty billion, twenty-three million, three hundred forty-three thousand, three hundred forty-four".