123012315335269 has 2 divisors, whose sum is σ = 123012315335270. Its totient is φ = 123012315335268.

The previous prime is 123012315335243. The next prime is 123012315335389. The reversal of 123012315335269 is 962533513210321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101011806514369 + 22000508820900 = 10050463^2 + 4690470^2 .

It is a cyclic number.

It is not a de Polignac number, because 123012315335269 - 2¹⁵ = 123012315302501 is a prime.

It is a super-2 number, since 2×123012315335269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123012315335209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506157667634 + 61506157667635.

It is an arithmetic number, because the mean of its divisors is an integer number (61506157667635).

Almost surely, 2^{123012315335269} is an apocalyptic number.

It is an amenable number.

123012315335269 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012315335269 is an equidigital number, since it uses as much as digits as its factorization.

123012315335269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 123012315335269 in words is "one hundred twenty-three trillion, twelve billion, three hundred fifteen million, three hundred thirty-five thousand, two hundred sixty-nine".