102101312023 has 4 divisors (see below), whose sum is σ = 104591587968. Its totient is φ = 99611036080.

The previous prime is 102101312011. The next prime is 102101312059. The reversal of 102101312023 is 320213101201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102101312023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101311988 and 102101312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101112023) 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, 1245137911 + ... + 1245137992.

It is an arithmetic number, because the mean of its divisors is an integer number (26147896992).

Almost surely, 2^102101312023 is an apocalyptic number.

102101312023 is a deficient number, since it is larger than the sum of its proper divisors (2490275945).

102101312023 is an equidigital number, since it uses as much as digits as its factorization.

102101312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490275944.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102101312023 its reverse (320213101201), we get a palindrome (422314413224).

The spelling of 102101312023 in words is "one hundred two billion, one hundred one million, three hundred twelve thousand, twenty-three".