523023375593 has 2 divisors, whose sum is σ = 523023375594. Its totient is φ = 523023375592.

The previous prime is 523023375547. The next prime is 523023375673. The reversal of 523023375593 is 395573320325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522890964544 + 132411049 = 723112^2 + 11507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523023375593 is a prime.

It is not a weakly prime, because it can be changed into another prime (523023372593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261511687796 + 261511687797.

It is an arithmetic number, because the mean of its divisors is an integer number (261511687797).

Almost surely, 2^523023375593 is an apocalyptic number.

It is an amenable number.

523023375593 is a deficient number, since it is larger than the sum of its proper divisors (1).

523023375593 is an equidigital number, since it uses as much as digits as its factorization.

523023375593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2551500, while the sum is 47.

The spelling of 523023375593 in words is "five hundred twenty-three billion, twenty-three million, three hundred seventy-five thousand, five hundred ninety-three".