100423712 has 24 divisors (see below), whose sum is σ = 199753596. Its totient is φ = 49692672.

The previous prime is 100423679. The next prime is 100423717. The reversal of 100423712 is 217324001.

It can be written as a sum of positive squares in 2 ways, for example, as 96904336 + 3519376 = 9844^2 + 1876^2 .

It is not an unprimeable number, because it can be changed into a prime (100423717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13073 + ... + 19280.

Almost surely, 2^100423712 is an apocalyptic number.

It is an amenable number.

100423712 is a deficient number, since it is larger than the sum of its proper divisors (99329884).

100423712 is an equidigital number, since it uses as much as digits as its factorization.

100423712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32460 (or 32452 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 100423712 is about 10021.1632059357. The cubic root of 100423712 is about 464.8135252606.

Adding to 100423712 its reverse (217324001), we get a palindrome (317747713).

The spelling of 100423712 in words is "one hundred million, four hundred twenty-three thousand, seven hundred twelve".