243401323 has 8 divisors (see below), whose sum is σ = 265965120. Its totient is φ = 220910280.

The previous prime is 243401299. The next prime is 243401363. The reversal of 243401323 is 323104342.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243401323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243401294 and 243401303.

It is not an unprimeable number, because it can be changed into a prime (243401363) 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, 11065 + ... + 24682.

It is an arithmetic number, because the mean of its divisors is an integer number (33245640).

Almost surely, 2^243401323 is an apocalyptic number.

243401323 is a deficient number, since it is larger than the sum of its proper divisors (22563797).

243401323 is a wasteful number, since it uses less digits than its factorization.

243401323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36377.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 243401323 is about 15601.3243989092. The cubic root of 243401323 is about 624.3684910893.

Adding to 243401323 its reverse (323104342), we get a palindrome (566505665).

The spelling of 243401323 in words is "two hundred forty-three million, four hundred one thousand, three hundred twenty-three".