123303404220023 has 16 divisors (see below), whose sum is σ = 127111977507840. Its totient is φ = 119519947159200.

The previous prime is 123303404220011. The next prime is 123303404220049. The reversal of 123303404220023 is 320022404303321.

It is a cyclic number.

It is not a de Polignac number, because 123303404220023 - 2⁸ = 123303404219767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303404220523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147692558 + ... + 148525076.

It is an arithmetic number, because the mean of its divisors is an integer number (7944498594240).

Almost surely, 2^{123303404220023} is an apocalyptic number.

123303404220023 is a deficient number, since it is larger than the sum of its proper divisors (3808573287817).

123303404220023 is a wasteful number, since it uses less digits than its factorization.

123303404220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847598.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 123303404220023 its reverse (320022404303321), we get a palindrome (443325808523344).

The spelling of 123303404220023 in words is "one hundred twenty-three trillion, three hundred three billion, four hundred four million, two hundred twenty thousand, twenty-three".