100021323323 has 4 divisors (see below), whose sum is σ = 100318122840. Its totient is φ = 99724523808.

The previous prime is 100021323319. The next prime is 100021323329. The reversal of 100021323323 is 323323120001.

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 100021323323 - 2² = 100021323319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021323295 and 100021323304.

It is not an unprimeable number, because it can be changed into a prime (100021323329) 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, 148399253 + ... + 148399926.

It is an arithmetic number, because the mean of its divisors is an integer number (25079530710).

Almost surely, 2^100021323323 is an apocalyptic number.

100021323323 is a deficient number, since it is larger than the sum of its proper divisors (296799517).

100021323323 is an equidigital number, since it uses as much as digits as its factorization.

100021323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296799516.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 100021323323 its reverse (323323120001), we get a palindrome (423344443324).

The spelling of 100021323323 in words is "one hundred billion, twenty-one million, three hundred twenty-three thousand, three hundred twenty-three".