850123701 has 16 divisors (see below), whose sum is σ = 1439363200. Its totient is φ = 485784864.

The previous prime is 850123693. The next prime is 850123711. The reversal of 850123701 is 107321058.

It is not a de Polignac number, because 850123701 - 2³ = 850123693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850123711) 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 in 15 ways as a sum of consecutive naturals, for example, 2248816 + ... + 2249193.

It is an arithmetic number, because the mean of its divisors is an integer number (89960200).

Almost surely, 2^850123701 is an apocalyptic number.

It is an amenable number.

850123701 is a deficient number, since it is larger than the sum of its proper divisors (589239499).

850123701 is a wasteful number, since it uses less digits than its factorization.

850123701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498025 (or 4498019 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 850123701 is about 29156.8808516961. The cubic root of 850123701 is about 947.3141871249.

Adding to 850123701 its reverse (107321058), we get a palindrome (957444759).

The spelling of 850123701 in words is "eight hundred fifty million, one hundred twenty-three thousand, seven hundred one".