123313310254005 has 32 divisors (see below), whose sum is σ = 207695988272640. Its totient is φ = 62302548617280.

The previous prime is 123313310253871. The next prime is 123313310254019. The reversal of 123313310254005 is 500452013313321.

It is not a de Polignac number, because 123313310254005 - 2¹⁶ = 123313310188469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5147551 + ... + 16526460.

It is an arithmetic number, because the mean of its divisors is an integer number (6490499633520).

Almost surely, 2^{123313310254005} is an apocalyptic number.

123313310254005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123313310254005 is a deficient number, since it is larger than the sum of its proper divisors (84382678018635).

123313310254005 is a wasteful number, since it uses less digits than its factorization.

123313310254005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21694001.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 123313310254005 its reverse (500452013313321), we get a palindrome (623765323567326).

The spelling of 123313310254005 in words is "one hundred twenty-three trillion, three hundred thirteen billion, three hundred ten million, two hundred fifty-four thousand, five".