100020201323 has 16 divisors (see below), whose sum is σ = 116020838400. Its totient is φ = 84456108000.

The previous prime is 100020201319. The next prime is 100020201341. The reversal of 100020201323 is 323102020001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100020201323 - 2² = 100020201319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020201298 and 100020201307.

It is not an unprimeable number, because it can be changed into a prime (100020201373) 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, 214763 + ... + 496148.

It is an arithmetic number, because the mean of its divisors is an integer number (7251302400).

Almost surely, 2^100020201323 is an apocalyptic number.

100020201323 is a deficient number, since it is larger than the sum of its proper divisors (16000637077).

100020201323 is a wasteful number, since it uses less digits than its factorization.

100020201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711218.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100020201323 its reverse (323102020001), we get a palindrome (423122221324).

The spelling of 100020201323 in words is "one hundred billion, twenty million, two hundred one thousand, three hundred twenty-three".