100201230123 has 4 divisors (see below), whose sum is σ = 133601640168. Its totient is φ = 66800820080.

The previous prime is 100201230113. The next prime is 100201230179. The reversal of 100201230123 is 321032102001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100201230123 - 2³² = 95906262827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100201230113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16700205018 + ... + 16700205023.

It is an arithmetic number, because the mean of its divisors is an integer number (33400410042).

Almost surely, 2^100201230123 is an apocalyptic number.

100201230123 is a deficient number, since it is larger than the sum of its proper divisors (33400410045).

100201230123 is an equidigital number, since it uses as much as digits as its factorization.

100201230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33400410044.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100201230123 its reverse (321032102001), we get a palindrome (421233332124).

The spelling of 100201230123 in words is "one hundred billion, two hundred one million, two hundred thirty thousand, one hundred twenty-three".