850044123 has 12 divisors (see below), whose sum is σ = 1228905288. Its totient is φ = 566205120.

The previous prime is 850044119. The next prime is 850044127. The reversal of 850044123 is 321440058.

It is an interprime number because it is at equal distance from previous prime (850044119) and next prime (850044127).

It is not a de Polignac number, because 850044123 - 2² = 850044119 is a prime.

It is a super-2 number, since 2×850044123² = 1445150022093678258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (850044127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29790 + ... + 50867.

It is an arithmetic number, because the mean of its divisors is an integer number (102408774).

Almost surely, 2^850044123 is an apocalyptic number.

850044123 is a deficient number, since it is larger than the sum of its proper divisors (378861165).

850044123 is a wasteful number, since it uses less digits than its factorization.

850044123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81834 (or 81831 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 850044123 is about 29155.5161676140. The cubic root of 850044123 is about 947.2846276146.

The spelling of 850044123 in words is "eight hundred fifty million, forty-four thousand, one hundred twenty-three".