207243343 has 4 divisors (see below), whose sum is σ = 207324000. Its totient is φ = 207162688.

The previous prime is 207243331. The next prime is 207243347. The reversal of 207243343 is 343342702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207243343 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 (207243347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36343 + ... + 41656.

It is an arithmetic number, because the mean of its divisors is an integer number (51831000).

Almost surely, 2^207243343 is an apocalyptic number.

207243343 is a deficient number, since it is larger than the sum of its proper divisors (80657).

207243343 is an equidigital number, since it uses as much as digits as its factorization.

207243343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80656.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 207243343 is about 14395.9488398646. The cubic root of 207243343 is about 591.7798812997.

The spelling of 207243343 in words is "two hundred seven million, two hundred forty-three thousand, three hundred forty-three".