100321231023 has 32 divisors (see below), whose sum is σ = 160761888000. Its totient is φ = 61464127968.

The previous prime is 100321231001. The next prime is 100321231037. The reversal of 100321231023 is 320132123001.

100321231023 is a `hidden beast` number, since 10 + 0 + 321 + 2 + 310 + 23 = 666.

It is not a de Polignac number, because 100321231023 - 2⁹ = 100321230511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100321230987 and 100321231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321238023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549873 + ... + 709226.

It is an arithmetic number, because the mean of its divisors is an integer number (5023809000).

Almost surely, 2^100321231023 is an apocalyptic number.

100321231023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100321231023 is a deficient number, since it is larger than the sum of its proper divisors (60440656977).

100321231023 is a wasteful number, since it uses less digits than its factorization.

100321231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259348 (or 1259342 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100321231023 its reverse (320132123001), we get a palindrome (420453354024).

The spelling of 100321231023 in words is "one hundred billion, three hundred twenty-one million, two hundred thirty-one thousand, twenty-three".