243474323 has 4 divisors (see below), whose sum is σ = 257796360. Its totient is φ = 229152288.

The previous prime is 243474317. The next prime is 243474331. The reversal of 243474323 is 323474342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323474342 = 2 ⋅161737171.

It is a cyclic number.

It is not a de Polignac number, because 243474323 - 2¹⁴ = 243457939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243474323.

It is not an unprimeable number, because it can be changed into a prime (243474313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7160993 + ... + 7161026.

It is an arithmetic number, because the mean of its divisors is an integer number (64449090).

Almost surely, 2^243474323 is an apocalyptic number.

243474323 is a deficient number, since it is larger than the sum of its proper divisors (14322037).

243474323 is a wasteful number, since it uses less digits than its factorization.

243474323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14322036.

The product of its digits is 48384, while the sum is 32.

The square root of 243474323 is about 15603.6637684872. The cubic root of 243474323 is about 624.4309042587.

The spelling of 243474323 in words is "two hundred forty-three million, four hundred seventy-four thousand, three hundred twenty-three".