102322323021 has 4 divisors (see below), whose sum is σ = 136429764032. Its totient is φ = 68214882012.

The previous prime is 102322322989. The next prime is 102322323071. The reversal of 102322323021 is 120323223201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102322323021 - 2⁵ = 102322322989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102322323071) 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, 17053720501 + ... + 17053720506.

It is an arithmetic number, because the mean of its divisors is an integer number (34107441008).

Almost surely, 2^102322323021 is an apocalyptic number.

It is an amenable number.

102322323021 is a deficient number, since it is larger than the sum of its proper divisors (34107441011).

102322323021 is an equidigital number, since it uses as much as digits as its factorization.

102322323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34107441010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102322323021 its reverse (120323223201), we get a palindrome (222645546222).

The spelling of 102322323021 in words is "one hundred two billion, three hundred twenty-two million, three hundred twenty-three thousand, twenty-one".