18010343 has 4 divisors (see below), whose sum is σ = 19395768. Its totient is φ = 16624920.

The previous prime is 18010339. The next prime is 18010367. The reversal of 18010343 is 34301081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18010343 - 2² = 18010339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18010313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692693 + ... + 692718.

It is an arithmetic number, because the mean of its divisors is an integer number (4848942).

Almost surely, 2^18010343 is an apocalyptic number.

18010343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18010343 is a deficient number, since it is larger than the sum of its proper divisors (1385425).

18010343 is a wasteful number, since it uses less digits than its factorization.

18010343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385424.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 18010343 is about 4243.8594463059. The cubic root of 18010343 is about 262.1243267135.

The spelling of 18010343 in words is "eighteen million, ten thousand, three hundred forty-three".