243465263 has 4 divisors (see below), whose sum is σ = 244167240. Its totient is φ = 242763288.

The previous prime is 243465253. The next prime is 243465301. The reversal of 243465263 is 362564342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243465263 - 2¹⁰ = 243464239 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 (243465253) 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, 350468 + ... + 351161.

It is an arithmetic number, because the mean of its divisors is an integer number (61041810).

Almost surely, 2^243465263 is an apocalyptic number.

243465263 is a deficient number, since it is larger than the sum of its proper divisors (701977).

243465263 is an equidigital number, since it uses as much as digits as its factorization.

243465263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701976.

The product of its digits is 103680, while the sum is 35.

The square root of 243465263 is about 15603.3734493538. The cubic root of 243465263 is about 624.4231588640.

The spelling of 243465263 in words is "two hundred forty-three million, four hundred sixty-five thousand, two hundred sixty-three".