123020087802593 has 2 divisors, whose sum is σ = 123020087802594. Its totient is φ = 123020087802592.

The previous prime is 123020087802569. The next prime is 123020087802679. The reversal of 123020087802593 is 395208780020321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73298734315024 + 49721353487569 = 8561468^2 + 7051337^2 .

It is a cyclic number.

It is not a de Polignac number, because 123020087802593 - 2¹² = 123020087798497 is a prime.

It is not a weakly prime, because it can be changed into another prime (123020087802533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510043901296 + 61510043901297.

It is an arithmetic number, because the mean of its divisors is an integer number (61510043901297).

Almost surely, 2^{123020087802593} is an apocalyptic number.

It is an amenable number.

123020087802593 is a deficient number, since it is larger than the sum of its proper divisors (1).

123020087802593 is an equidigital number, since it uses as much as digits as its factorization.

123020087802593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 123020087802593 in words is "one hundred twenty-three trillion, twenty billion, eighty-seven million, eight hundred two thousand, five hundred ninety-three".