18341343 has 8 divisors (see below), whose sum is σ = 27172400. Its totient is φ = 12227544.

The previous prime is 18341341. The next prime is 18341347. The reversal of 18341343 is 34314381.

It is not a de Polignac number, because 18341343 - 2¹ = 18341341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 679309 = 18341343 / (1 + 8 + 3 + 4 + 1 + 3 + 4 + 3).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339628 + ... + 339681.

It is an arithmetic number, because the mean of its divisors is an integer number (3396550).

Almost surely, 2^18341343 is an apocalyptic number.

18341343 is a deficient number, since it is larger than the sum of its proper divisors (8831057).

18341343 is an equidigital number, since it uses as much as digits as its factorization.

18341343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679318 (or 679312 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 18341343 is about 4282.6794183081. The cubic root of 18341343 is about 263.7203909470.

The spelling of 18341343 in words is "eighteen million, three hundred forty-one thousand, three hundred forty-three".