850123837 has 2 divisors, whose sum is σ = 850123838. Its totient is φ = 850123836.

The previous prime is 850123801. The next prime is 850123843. The reversal of 850123837 is 738321058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713210436 + 136913401 = 26706^2 + 11701^2 .

It is a cyclic number.

It is not a de Polignac number, because 850123837 - 2¹⁹ = 849599549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850123796 and 850123805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850123867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425061918 + 425061919.

It is an arithmetic number, because the mean of its divisors is an integer number (425061919).

Almost surely, 2^850123837 is an apocalyptic number.

It is an amenable number.

850123837 is a deficient number, since it is larger than the sum of its proper divisors (1).

850123837 is an equidigital number, since it uses as much as digits as its factorization.

850123837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 850123837 is about 29156.8831839070. The cubic root of 850123837 is about 947.3142376409.

The spelling of 850123837 in words is "eight hundred fifty million, one hundred twenty-three thousand, eight hundred thirty-seven".