101321202023 has 4 divisors (see below), whose sum is σ = 101403645240. Its totient is φ = 101238758808.

The previous prime is 101321202013. The next prime is 101321202043. The reversal of 101321202023 is 320202123101.

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 101321202023 - 2⁸ = 101321201767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101321201992 and 101321202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41219765 + ... + 41222222.

It is an arithmetic number, because the mean of its divisors is an integer number (25350911310).

Almost surely, 2^101321202023 is an apocalyptic number.

101321202023 is a deficient number, since it is larger than the sum of its proper divisors (82443217).

101321202023 is an equidigital number, since it uses as much as digits as its factorization.

101321202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82443216.

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

Adding to 101321202023 its reverse (320202123101), we get a palindrome (421523325124).

The spelling of 101321202023 in words is "one hundred one billion, three hundred twenty-one million, two hundred two thousand, twenty-three".