243465323 has 4 divisors (see below), whose sum is σ = 245829168. Its totient is φ = 241101480.

The previous prime is 243465317. The next prime is 243465331. The reversal of 243465323 is 323564342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323564342 = 2 ⋅161782171.

It is a cyclic number.

It is not a de Polignac number, because 243465323 - 2⁴ = 243465307 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 243465323.

It is not an unprimeable number, because it can be changed into a prime (243465923) 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, 1181768 + ... + 1181973.

It is an arithmetic number, because the mean of its divisors is an integer number (61457292).

Almost surely, 2^243465323 is an apocalyptic number.

243465323 is a deficient number, since it is larger than the sum of its proper divisors (2363845).

243465323 is a wasteful number, since it uses less digits than its factorization.

243465323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363844.

The product of its digits is 51840, while the sum is 32.

The square root of 243465323 is about 15603.3753720149. The cubic root of 243465323 is about 624.4232101586.

The spelling of 243465323 in words is "two hundred forty-three million, four hundred sixty-five thousand, three hundred twenty-three".