101220102323 has 4 divisors (see below), whose sum is σ = 101239435440. Its totient is φ = 101200769208.

The previous prime is 101220102311. The next prime is 101220102343. The reversal of 101220102323 is 323201022101.

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 101220102323 - 2⁴ = 101220102307 is a prime.

It is a super-2 number, since 2×101220102323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220102343) 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, 9658703 + ... + 9669176.

It is an arithmetic number, because the mean of its divisors is an integer number (25309858860).

Almost surely, 2^101220102323 is an apocalyptic number.

101220102323 is a deficient number, since it is larger than the sum of its proper divisors (19333117).

101220102323 is an equidigital number, since it uses as much as digits as its factorization.

101220102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333116.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101220102323 its reverse (323201022101), we get a palindrome (424421124424).

The spelling of 101220102323 in words is "one hundred one billion, two hundred twenty million, one hundred two thousand, three hundred twenty-three".