851402343 has 12 divisors (see below), whose sum is σ = 1247785784. Its totient is φ = 516001200.

The previous prime is 851402341. The next prime is 851402389. The reversal of 851402343 is 343204158.

It is not a de Polignac number, because 851402343 - 2¹ = 851402341 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 851402343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851402341) 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, 1172368 + ... + 1173093.

Almost surely, 2^851402343 is an apocalyptic number.

851402343 is a deficient number, since it is larger than the sum of its proper divisors (396383441).

851402343 is a wasteful number, since it uses less digits than its factorization.

851402343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345486 (or 2345475 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 851402343 is about 29178.7995469313. The cubic root of 851402343 is about 947.7888901722.

The spelling of 851402343 in words is "eight hundred fifty-one million, four hundred two thousand, three hundred forty-three".