123112143011415 has 16 divisors (see below), whose sum is σ = 207346767177600. Its totient is φ = 62204030152992.

The previous prime is 123112143011413. The next prime is 123112143011423. The reversal of 123112143011415 is 514110341211321.

It is not a de Polignac number, because 123112143011415 - 2¹ = 123112143011413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112143011413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215986215525 + ... + 215986216094.

It is an arithmetic number, because the mean of its divisors is an integer number (12959172948600).

Almost surely, 2^{123112143011415} is an apocalyptic number.

123112143011415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123112143011415 is a deficient number, since it is larger than the sum of its proper divisors (84234624166185).

123112143011415 is a wasteful number, since it uses less digits than its factorization.

123112143011415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431972431646.

The product of its (nonzero) digits is 2880, while the sum is 30.

Adding to 123112143011415 its reverse (514110341211321), we get a palindrome (637222484222736).

The spelling of 123112143011415 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred forty-three million, eleven thousand, four hundred fifteen".