101331021123023 has 4 divisors (see below), whose sum is σ = 102551876799288. Its totient is φ = 100110165446760.

The previous prime is 101331021122987. The next prime is 101331021123061. The reversal of 101331021123023 is 320321120133101.

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 101331021123023 - 2⁸ = 101331021122767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101331021123023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101331021123223) 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, 610427838008 + ... + 610427838173.

It is an arithmetic number, because the mean of its divisors is an integer number (25637969199822).

Almost surely, 2^{101331021123023} is an apocalyptic number.

101331021123023 is a deficient number, since it is larger than the sum of its proper divisors (1220855676265).

101331021123023 is an equidigital number, since it uses as much as digits as its factorization.

101331021123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220855676264.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 101331021123023 its reverse (320321120133101), we get a palindrome (421652141256124).

The spelling of 101331021123023 in words is "one hundred one trillion, three hundred thirty-one billion, twenty-one million, one hundred twenty-three thousand, twenty-three".