243140363 has 2 divisors, whose sum is σ = 243140364. Its totient is φ = 243140362.

The previous prime is 243140333. The next prime is 243140371. The reversal of 243140363 is 363041342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243140363 is a prime.

It is a super-2 number, since 2×243140363² = 118234472239543538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243140333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121570181 + 121570182.

It is an arithmetic number, because the mean of its divisors is an integer number (121570182).

Almost surely, 2^243140363 is an apocalyptic number.

243140363 is a deficient number, since it is larger than the sum of its proper divisors (1).

243140363 is an equidigital number, since it uses as much as digits as its factorization.

243140363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 243140363 is about 15592.9587634932. The cubic root of 243140363 is about 624.1452747377.

The spelling of 243140363 in words is "two hundred forty-three million, one hundred forty thousand, three hundred sixty-three".