850042388423 has 2 divisors, whose sum is σ = 850042388424. Its totient is φ = 850042388422.

The previous prime is 850042388411. The next prime is 850042388473. The reversal of 850042388423 is 324883240058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850042388423 - 2⁶ = 850042388359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850042388473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425021194211 + 425021194212.

It is an arithmetic number, because the mean of its divisors is an integer number (425021194212).

Almost surely, 2^850042388423 is an apocalyptic number.

850042388423 is a deficient number, since it is larger than the sum of its proper divisors (1).

850042388423 is an equidigital number, since it uses as much as digits as its factorization.

850042388423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 850042388423 in words is "eight hundred fifty billion, forty-two million, three hundred eighty-eight thousand, four hundred twenty-three".