100023104 has 56 divisors (see below), whose sum is σ = 211912200. Its totient is φ = 46678016.

The previous prime is 100023101. The next prime is 100023109. The reversal of 100023104 is 401320001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 100000000 = 152^2 + 10000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023101) 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, 161804 + ... + 162420.

Almost surely, 2^100023104 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 100023104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105956100).

100023104 is an abundant number, since it is smaller than the sum of its proper divisors (111889096).

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

100023104 is a wasteful number, since it uses less digits than its factorization.

100023104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100023104 is about 10001.1551332834. The cubic root of 100023104 is about 464.1946270315.

Adding to 100023104 its reverse (401320001), we get a palindrome (501343105).

The spelling of 100023104 in words is "one hundred million, twenty-three thousand, one hundred four".