100423311140 has 12 divisors (see below), whose sum is σ = 210888953436. Its totient is φ = 40169324448.

The previous prime is 100423311103. The next prime is 100423311167. The reversal of 100423311140 is 41113324001.

It can be written as a sum of positive squares in 2 ways, for example, as 14629386304 + 85793924836 = 120952^2 + 292906^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5021165557 = 100423311140 / (1 + 0 + 0 + 4 + 2 + 3 + 3 + 1 + 1 + 1 + 4 + 0).

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, 2510582759 + ... + 2510582798.

It is an arithmetic number, because the mean of its divisors is an integer number (17574079453).

Almost surely, 2^100423311140 is an apocalyptic number.

100423311140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100423311140 is an abundant number, since it is smaller than the sum of its proper divisors (110465642296).

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

100423311140 is a wasteful number, since it uses less digits than its factorization.

100423311140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021165566 (or 5021165564 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100423311140 its reverse (41113324001), we get a palindrome (141536635141).

The spelling of 100423311140 in words is "one hundred billion, four hundred twenty-three million, three hundred eleven thousand, one hundred forty".