16872343 has 2 divisors, whose sum is σ = 16872344. Its totient is φ = 16872342.

The previous prime is 16872337. The next prime is 16872379. The reversal of 16872343 is 34327861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16872343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16872299 and 16872308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16873343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436171 + 8436172.

It is an arithmetic number, because the mean of its divisors is an integer number (8436172).

Almost surely, 2^16872343 is an apocalyptic number.

16872343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16872343 is an equidigital number, since it uses as much as digits as its factorization.

16872343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 16872343 is about 4107.5957688166. The cubic root of 16872343 is about 256.4829293509.

The spelling of 16872343 in words is "sixteen million, eight hundred seventy-two thousand, three hundred forty-three".