100423042 has 8 divisors (see below), whose sum is σ = 150799500. Its totient is φ = 50156544.

The previous prime is 100423021. The next prime is 100423051. The reversal of 100423042 is 240324001.

It can be written as a sum of positive squares in 2 ways, for example, as 100420441 + 2601 = 10021^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 25167 + ... + 28882.

Almost surely, 2^100423042 is an apocalyptic number.

100423042 is a deficient number, since it is larger than the sum of its proper divisors (50376458).

100423042 is an equidigital number, since it uses as much as digits as its factorization.

100423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54980.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100423042 is about 10021.1297766270. The cubic root of 100423042 is about 464.8124915546.

Adding to 100423042 its reverse (240324001), we get a palindrome (340747043).

The spelling of 100423042 in words is "one hundred million, four hundred twenty-three thousand, forty-two".