123243500240415 has 24 divisors (see below), whose sum is σ = 214097840096400. Its totient is φ = 65583475098624.

The previous prime is 123243500240297. The next prime is 123243500240437. The reversal of 123243500240415 is 514042005342321.

It is a happy number.

123243500240415 is a `hidden beast` number, since 1 + 2 + 3 + 24 + 350 + 0 + 240 + 41 + 5 = 666.

It is not a de Polignac number, because 123243500240415 - 2¹¹ = 123243500238367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123243500240415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3049806577 + ... + 3049846986.

It is an arithmetic number, because the mean of its divisors is an integer number (8920743337350).

Almost surely, 2^{123243500240415} is an apocalyptic number.

123243500240415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123243500240415 is a deficient number, since it is larger than the sum of its proper divisors (90854339855985).

123243500240415 is a wasteful number, since it uses less digits than its factorization.

123243500240415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099654023 (or 6099654020 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 123243500240415 its reverse (514042005342321), we get a palindrome (637285505582736).

The spelling of 123243500240415 in words is "one hundred twenty-three trillion, two hundred forty-three billion, five hundred million, two hundred forty thousand, four hundred fifteen".