123320213023 has 8 divisors (see below), whose sum is σ = 141107812992. Its totient is φ = 105575219736.

The previous prime is 123320213011. The next prime is 123320213041. The reversal of 123320213023 is 320312023321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123320213023 - 2⁹ = 123320212511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123320212985 and 123320213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320213063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10645465 + ... + 10657042.

It is an arithmetic number, because the mean of its divisors is an integer number (17638476624).

Almost surely, 2^123320213023 is an apocalyptic number.

123320213023 is a deficient number, since it is larger than the sum of its proper divisors (17787599969).

123320213023 is an equidigital number, since it uses as much as digits as its factorization.

123320213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21303341.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123320213023 its reverse (320312023321), we get a palindrome (443632236344).

The spelling of 123320213023 in words is "one hundred twenty-three billion, three hundred twenty million, two hundred thirteen thousand, twenty-three".