101321203130023 has 4 divisors (see below), whose sum is σ = 102459643614720. Its totient is φ = 100182762645328.

The previous prime is 101321203129997. The next prime is 101321203130029. The reversal of 101321203130023 is 320031302123101.

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 101321203130023 - 2⁴⁵ = 66136831041191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101321203129976 and 101321203130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321203130029) 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, 569220242215 + ... + 569220242392.

It is an arithmetic number, because the mean of its divisors is an integer number (25614910903680).

Almost surely, 2^{101321203130023} is an apocalyptic number.

101321203130023 is a deficient number, since it is larger than the sum of its proper divisors (1138440484697).

101321203130023 is an equidigital number, since it uses as much as digits as its factorization.

101321203130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138440484696.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 101321203130023 its reverse (320031302123101), we get a palindrome (421352505253124).

The spelling of 101321203130023 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred three million, one hundred thirty thousand, twenty-three".