123141443650415 has 4 divisors (see below), whose sum is σ = 147769732380504. Its totient is φ = 98513154920328.

The previous prime is 123141443650411. The next prime is 123141443650427. The reversal of 123141443650415 is 514056344141321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123141443650415 - 2² = 123141443650411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123141443650411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12314144365037 + ... + 12314144365046.

It is an arithmetic number, because the mean of its divisors is an integer number (36942433095126).

Almost surely, 2^{123141443650415} is an apocalyptic number.

123141443650415 is a deficient number, since it is larger than the sum of its proper divisors (24628288730089).

123141443650415 is an equidigital number, since it uses as much as digits as its factorization.

123141443650415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24628288730088.

The product of its (nonzero) digits is 691200, while the sum is 44.

Adding to 123141443650415 its reverse (514056344141321), we get a palindrome (637197787791736).

The spelling of 123141443650415 in words is "one hundred twenty-three trillion, one hundred forty-one billion, four hundred forty-three million, six hundred fifty thousand, four hundred fifteen".