5125123231073 has 2 divisors, whose sum is σ = 5125123231074. Its totient is φ = 5125123231072.

The previous prime is 5125123231049. The next prime is 5125123231087. The reversal of 5125123231073 is 3701323215215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3956666004769 + 1168457226304 = 1989137^2 + 1080952^2 .

It is a cyclic number.

It is not a de Polignac number, because 5125123231073 - 2²² = 5125119036769 is a prime.

It is not a weakly prime, because it can be changed into another prime (5125123231043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562561615536 + 2562561615537.

It is an arithmetic number, because the mean of its divisors is an integer number (2562561615537).

Almost surely, 2^{5125123231073} is an apocalyptic number.

It is an amenable number.

5125123231073 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125123231073 is an equidigital number, since it uses as much as digits as its factorization.

5125123231073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 5125123231073 its reverse (3701323215215), we get a palindrome (8826446446288).

The spelling of 5125123231073 in words is "five trillion, one hundred twenty-five billion, one hundred twenty-three million, two hundred thirty-one thousand, seventy-three".