100023112 has 48 divisors (see below), whose sum is σ = 225227520. Its totient is φ = 41479200.

The previous prime is 100023109. The next prime is 100023127. The reversal of 100023112 is 211320001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8037 + ... + 16267.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^100023112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100023112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112613760).

100023112 is an abundant number, since it is smaller than the sum of its proper divisors (125204408).

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

100023112 is a wasteful number, since it uses less digits than its factorization.

100023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282 (or 8271 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100023112 is about 10001.1555332371. The cubic root of 100023112 is about 464.1946394071.

Adding to 100023112 its reverse (211320001), we get a palindrome (311343113).

The spelling of 100023112 in words is "one hundred million, twenty-three thousand, one hundred twelve".