123142342315 has 16 divisors (see below), whose sum is σ = 156505219200. Its totient is φ = 92694046720.

The previous prime is 123142342291. The next prime is 123142342319. The reversal of 123142342315 is 513243241321.

It is not a de Polignac number, because 123142342315 - 2¹³ = 123142334123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123142342319) 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, 127086 + ... + 512284.

It is an arithmetic number, because the mean of its divisors is an integer number (9781576200).

Almost surely, 2^123142342315 is an apocalyptic number.

123142342315 is a deficient number, since it is larger than the sum of its proper divisors (33362876885).

123142342315 is a wasteful number, since it uses less digits than its factorization.

123142342315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388982.

The product of its digits is 17280, while the sum is 31.

Adding to 123142342315 its reverse (513243241321), we get a palindrome (636385583636).

The spelling of 123142342315 in words is "one hundred twenty-three billion, one hundred forty-two million, three hundred forty-two thousand, three hundred fifteen".