100023100 has 18 divisors (see below), whose sum is σ = 217050344. Its totient is φ = 40009200.

The previous prime is 100023043. The next prime is 100023101. The reversal of 100023100 is 1320001.

It is a super-2 number, since 2×100023100² = 20009241067220000, which contains 22 as substring.

100023100 is a modest number, since divided by 23100 gives 100 as remainder.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500016 + ... + 500215.

Almost surely, 2^100023100 is an apocalyptic number.

100023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100023100 is an abundant number, since it is smaller than the sum of its proper divisors (117027244).

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

100023100 is a wasteful number, since it uses less digits than its factorization.

100023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000245 (or 1000238 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 100023100 is about 10001.1549333065. The cubic root of 100023100 is about 464.1946208437.

Adding to 100023100 its reverse (1320001), we get a palindrome (101343101).

The spelling of 100023100 in words is "one hundred million, twenty-three thousand, one hundred".