123243351310973 has 2 divisors, whose sum is σ = 123243351310974. Its totient is φ = 123243351310972.

The previous prime is 123243351310957. The next prime is 123243351310991. The reversal of 123243351310973 is 379013153342321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119603051397124 + 3640299913849 = 10936318^2 + 1907957^2 .

It is a cyclic number.

It is not a de Polignac number, because 123243351310973 - 2⁴ = 123243351310957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123243351310943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621675655486 + 61621675655487.

It is an arithmetic number, because the mean of its divisors is an integer number (61621675655487).

Almost surely, 2^{123243351310973} is an apocalyptic number.

It is an amenable number.

123243351310973 is a deficient number, since it is larger than the sum of its proper divisors (1).

123243351310973 is an equidigital number, since it uses as much as digits as its factorization.

123243351310973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 123243351310973 in words is "one hundred twenty-three trillion, two hundred forty-three billion, three hundred fifty-one million, three hundred ten thousand, nine hundred seventy-three".