851202423 has 12 divisors (see below), whose sum is σ = 1282972080. Its totient is φ = 542795616.

The previous prime is 851202421. The next prime is 851202431. The reversal of 851202423 is 324202158.

It is not a de Polignac number, because 851202423 - 2¹ = 851202421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851202421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2055838 + ... + 2056251.

It is an arithmetic number, because the mean of its divisors is an integer number (106914340).

Almost surely, 2^851202423 is an apocalyptic number.

851202423 is a deficient number, since it is larger than the sum of its proper divisors (431769657).

851202423 is a wasteful number, since it uses less digits than its factorization.

851202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112118 (or 4112115 counting only the distinct ones).

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

The square root of 851202423 is about 29175.3735708731. The cubic root of 851202423 is about 947.7147001063.

The spelling of 851202423 in words is "eight hundred fifty-one million, two hundred two thousand, four hundred twenty-three".