100001323203 has 16 divisors (see below), whose sum is σ = 141079966080. Its totient is φ = 62831476224.

The previous prime is 100001323189. The next prime is 100001323217. The reversal of 100001323203 is 302323100001.

It is an interprime number because it is at equal distance from previous prime (100001323189) and next prime (100001323217).

It is not a de Polignac number, because 100001323203 - 2²² = 99997128899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001323003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4534101 + ... + 4556102.

It is an arithmetic number, because the mean of its divisors is an integer number (8817497880).

Almost surely, 2^100001323203 is an apocalyptic number.

100001323203 is a deficient number, since it is larger than the sum of its proper divisors (41078642877).

100001323203 is a wasteful number, since it uses less digits than its factorization.

100001323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090418.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 100001323203 its reverse (302323100001), we get a palindrome (402324423204).

The spelling of 100001323203 in words is "one hundred billion, one million, three hundred twenty-three thousand, two hundred three".