100100023 has 8 divisors (see below), whose sum is σ = 104397440. Its totient is φ = 95869440.

The previous prime is 100099981. The next prime is 100100051. The reversal of 100100023 is 320001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100100023 - 2²¹ = 98002871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100099979 and 100100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100053) 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, 13638 + ... + 19651.

It is an arithmetic number, because the mean of its divisors is an integer number (13049680).

Almost surely, 2^100100023 is an apocalyptic number.

100100023 is a deficient number, since it is larger than the sum of its proper divisors (4297417).

100100023 is an equidigital number, since it uses as much as digits as its factorization.

100100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33417.

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

The square root of 100100023 is about 10004.9999000500. Note that the first 4 decimals coincide. The cubic root of 100100023 is about 464.3135870063.

Adding to 100100023 its reverse (320001001), we get a palindrome (420101024).

The spelling of 100100023 in words is "one hundred million, one hundred thousand, twenty-three".