123320100323 has 4 divisors (see below), whose sum is σ = 140937257520. Its totient is φ = 105702943128.

The previous prime is 123320100317. The next prime is 123320100341. The reversal of 123320100323 is 323001023321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323001023321 = 19 ⋅17000053859.

It is a cyclic number.

It is not a de Polignac number, because 123320100323 - 2⁸ = 123320100067 is a prime.

It is a super-3 number, since 3×123320100323³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123320100295 and 123320100304.

It is not an unprimeable number, because it can be changed into a prime (123320100383) 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, 8808578588 + ... + 8808578601.

It is an arithmetic number, because the mean of its divisors is an integer number (35234314380).

Almost surely, 2^123320100323 is an apocalyptic number.

123320100323 is a deficient number, since it is larger than the sum of its proper divisors (17617157197).

123320100323 is an equidigital number, since it uses as much as digits as its factorization.

123320100323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617157196.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123320100323 its reverse (323001023321), we get a palindrome (446321123644).

The spelling of 123320100323 in words is "one hundred twenty-three billion, three hundred twenty million, one hundred thousand, three hundred twenty-three".