100423140 has 24 divisors (see below), whose sum is σ = 281184960. Its totient is φ = 26779488.

The previous prime is 100423121. The next prime is 100423153. The reversal of 100423140 is 41324001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836800 + ... + 836919.

It is an arithmetic number, because the mean of its divisors is an integer number (11716040).

Almost surely, 2^100423140 is an apocalyptic number.

100423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100423140 is an abundant number, since it is smaller than the sum of its proper divisors (180761820).

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

100423140 is a wasteful number, since it uses less digits than its factorization.

100423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673731 (or 1673729 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100423140 is about 10021.1346662940. The cubic root of 100423140 is about 464.8126427537.

Adding to 100423140 its reverse (41324001), we get a palindrome (141747141).

The spelling of 100423140 in words is "one hundred million, four hundred twenty-three thousand, one hundred forty".