697085125423 has 2 divisors, whose sum is σ = 697085125424. Its totient is φ = 697085125422.

The previous prime is 697085125417. The next prime is 697085125463. The reversal of 697085125423 is 324521580796.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-697085125423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697085125463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348542562711 + 348542562712.

It is an arithmetic number, because the mean of its divisors is an integer number (348542562712).

It is a 2-persistent number, because it is pandigital, and so is 2⋅697085125423 = 1394170250846, but 3⋅697085125423 = 2091255376269 is not.

Almost surely, 2^697085125423 is an apocalyptic number.

697085125423 is a deficient number, since it is larger than the sum of its proper divisors (1).

697085125423 is an equidigital number, since it uses as much as digits as its factorization.

697085125423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 697085125423 in words is "six hundred ninety-seven billion, eighty-five million, one hundred twenty-five thousand, four hundred twenty-three".