123301402515281 has 2 divisors, whose sum is σ = 123301402515282. Its totient is φ = 123301402515280.

The previous prime is 123301402515271. The next prime is 123301402515349. The reversal of 123301402515281 is 182515204103321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111061900265281 + 12239502250000 = 10538591^2 + 3498500^2 .

It is a cyclic number.

It is not a de Polignac number, because 123301402515281 - 2¹⁸ = 123301402253137 is a prime.

It is a super-2 number, since 2×123301402515281² (a number of 29 digits) contains 22 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650701257640 + 61650701257641.

It is an arithmetic number, because the mean of its divisors is an integer number (61650701257641).

Almost surely, 2^{123301402515281} is an apocalyptic number.

It is an amenable number.

123301402515281 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301402515281 is an equidigital number, since it uses as much as digits as its factorization.

123301402515281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 123301402515281 in words is "one hundred twenty-three trillion, three hundred one billion, four hundred two million, five hundred fifteen thousand, two hundred eighty-one".