850123700 has 72 divisors (see below), whose sum is σ = 1943208960. Its totient is φ = 322185600.

The previous prime is 850123693. The next prime is 850123711. The reversal of 850123700 is 7321058.

It is a self number, because there is not a number n which added to its sum of digits gives 850123700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249005 + ... + 252395.

Almost surely, 2^850123700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850123700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971604480).

850123700 is an abundant number, since it is smaller than the sum of its proper divisors (1093085260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850123700 is a wasteful number, since it uses less digits than its factorization.

850123700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 850123700 is about 29156.8808345474. The cubic root of 850123700 is about 947.3141867534.

Adding to 850123700 its reverse (7321058), we get a palindrome (857444758).

The spelling of 850123700 in words is "eight hundred fifty million, one hundred twenty-three thousand, seven hundred".