201340943 has 2 divisors, whose sum is σ = 201340944. Its totient is φ = 201340942.

The previous prime is 201340927. The next prime is 201340957. The reversal of 201340943 is 349043102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201340943 - 2⁴ = 201340927 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201340973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670471 + 100670472.

It is an arithmetic number, because the mean of its divisors is an integer number (100670472).

Almost surely, 2^201340943 is an apocalyptic number.

201340943 is a deficient number, since it is larger than the sum of its proper divisors (1).

201340943 is an equidigital number, since it uses as much as digits as its factorization.

201340943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 201340943 is about 14189.4659166580. The cubic root of 201340943 is about 586.1076178700.

The spelling of 201340943 in words is "two hundred one million, three hundred forty thousand, nine hundred forty-three".