100123244 has 24 divisors (see below), whose sum is σ = 190192128. Its totient is φ = 45843840.

The previous prime is 100123241. The next prime is 100123249. The reversal of 100123244 is 442321001.

It is not an unprimeable number, because it can be changed into a prime (100123241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977 + ... + 14184.

It is an arithmetic number, because the mean of its divisors is an integer number (7924672).

Almost surely, 2^100123244 is an apocalyptic number.

It is an amenable number.

100123244 is a deficient number, since it is larger than the sum of its proper divisors (90068884).

100123244 is a wasteful number, since it uses less digits than its factorization.

100123244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15305 (or 15303 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100123244 is about 10006.1603025336. The cubic root of 100123244 is about 464.3494877380.

Adding to 100123244 its reverse (442321001), we get a palindrome (542444245).

The spelling of 100123244 in words is "one hundred million, one hundred twenty-three thousand, two hundred forty-four".