123314415523205 has 4 divisors (see below), whose sum is σ = 147977298627852. Its totient is φ = 98651532418560.

The previous prime is 123314415523199. The next prime is 123314415523217. The reversal of 123314415523205 is 502325514413321.

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 63724568976289 + 59589846546916 = 7982767^2 + 7719446^2 .

It is a de Polignac number, because none of the positive numbers 2^k-123314415523205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12331441552316 + ... + 12331441552325.

It is an arithmetic number, because the mean of its divisors is an integer number (36994324656963).

Almost surely, 2^{123314415523205} is an apocalyptic number.

It is an amenable number.

123314415523205 is a deficient number, since it is larger than the sum of its proper divisors (24662883104647).

123314415523205 is an equidigital number, since it uses as much as digits as its factorization.

123314415523205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24662883104646.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 123314415523205 its reverse (502325514413321), we get a palindrome (625639929936526).

The spelling of 123314415523205 in words is "one hundred twenty-three trillion, three hundred fourteen billion, four hundred fifteen million, five hundred twenty-three thousand, two hundred five".