100202021323 has 4 divisors (see below), whose sum is σ = 101138488920. Its totient is φ = 99265553728.

The previous prime is 100202021303. The next prime is 100202021363. The reversal of 100202021323 is 323120202001.

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 100202021323 - 2²⁵ = 100168466891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100202021297 and 100202021306.

It is not an unprimeable number, because it can be changed into a prime (100202021303) 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, 468233638 + ... + 468233851.

It is an arithmetic number, because the mean of its divisors is an integer number (25284622230).

Almost surely, 2^100202021323 is an apocalyptic number.

100202021323 is a deficient number, since it is larger than the sum of its proper divisors (936467597).

100202021323 is an equidigital number, since it uses as much as digits as its factorization.

100202021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936467596.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100202021323 its reverse (323120202001), we get a palindrome (423322223324).

The spelling of 100202021323 in words is "one hundred billion, two hundred two million, twenty-one thousand, three hundred twenty-three".