100201123 has 8 divisors (see below), whose sum is σ = 109437120. Its totient is φ = 90986280.

The previous prime is 100201109. The next prime is 100201139. The reversal of 100201123 is 321102001.

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

It is not a de Polignac number, because 100201123 - 2⁵ = 100201091 is a prime.

It is a super-2 number, since 2×100201123² = 20080530100922258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100201103) 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, 5608 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (13679640).

Almost surely, 2^100201123 is an apocalyptic number.

100201123 is a deficient number, since it is larger than the sum of its proper divisors (9235997).

100201123 is an equidigital number, since it uses as much as digits as its factorization.

100201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577.

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

The square root of 100201123 is about 10010.0510987707. The cubic root of 100201123 is about 464.4698517350.

Adding to 100201123 its reverse (321102001), we get a palindrome (421303124).

The spelling of 100201123 in words is "one hundred million, two hundred one thousand, one hundred twenty-three".