123304231020401 has 4 divisors (see below), whose sum is σ = 123333087619812. Its totient is φ = 123275374420992.

The previous prime is 123304231020371. The next prime is 123304231020403. The reversal of 123304231020401 is 104020132403321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42240588524176 + 81063642496225 = 6499276^2 + 9003535^2 .

It is a cyclic number.

It is not a de Polignac number, because 123304231020401 - 2¹⁰ = 123304231019377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123304231020403) 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, 14428293296 + ... + 14428301841.

It is an arithmetic number, because the mean of its divisors is an integer number (30833271904953).

Almost surely, 2^{123304231020401} is an apocalyptic number.

It is an amenable number.

123304231020401 is a deficient number, since it is larger than the sum of its proper divisors (28856599411).

123304231020401 is an equidigital number, since it uses as much as digits as its factorization.

123304231020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28856599410.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123304231020401 its reverse (104020132403321), we get a palindrome (227324363423722).

The spelling of 123304231020401 in words is "one hundred twenty-three trillion, three hundred four billion, two hundred thirty-one million, twenty thousand, four hundred one".