243323461 has 8 divisors (see below), whose sum is σ = 248643648. Its totient is φ = 238056000.

The previous prime is 243323459. The next prime is 243323473. The reversal of 243323461 is 164323342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243323461 - 2¹ = 243323459 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 (243323441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3780 + ... + 22381.

It is an arithmetic number, because the mean of its divisors is an integer number (31080456).

Almost surely, 2^243323461 is an apocalyptic number.

It is an amenable number.

243323461 is a deficient number, since it is larger than the sum of its proper divisors (5320187).

243323461 is a wasteful number, since it uses less digits than its factorization.

243323461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26363.

The product of its digits is 10368, while the sum is 28.

The square root of 243323461 is about 15598.8288342427. The cubic root of 243323461 is about 624.3019072768.

The spelling of 243323461 in words is "two hundred forty-three million, three hundred twenty-three thousand, four hundred sixty-one".