123301402515271 has 2 divisors, whose sum is σ = 123301402515272. Its totient is φ = 123301402515270.

The previous prime is 123301402515241. The next prime is 123301402515281. The reversal of 123301402515271 is 172515204103321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301402515271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123301402515271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123301402515241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650701257635 + 61650701257636.

It is an arithmetic number, because the mean of its divisors is an integer number (61650701257636).

Almost surely, 2^{123301402515271} is an apocalyptic number.

123301402515271 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301402515271 is an equidigital number, since it uses as much as digits as its factorization.

123301402515271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 123301402515271 its reverse (172515204103321), we get a palindrome (295816606618592).

The spelling of 123301402515271 in words is "one hundred twenty-three trillion, three hundred one billion, four hundred two million, five hundred fifteen thousand, two hundred seventy-one".