243045233299 has 4 divisors (see below), whose sum is σ = 265140254520. Its totient is φ = 220950212080.

The previous prime is 243045233287. The next prime is 243045233303. The reversal of 243045233299 is 992332540342.

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 243045233299 - 2²⁵ = 243011678867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243045236299) 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, 11047510594 + ... + 11047510615.

It is an arithmetic number, because the mean of its divisors is an integer number (66285063630).

Almost surely, 2^243045233299 is an apocalyptic number.

243045233299 is a deficient number, since it is larger than the sum of its proper divisors (22095021221).

243045233299 is a wasteful number, since it uses less digits than its factorization.

243045233299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22095021220.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 243045233299 in words is "two hundred forty-three billion, forty-five million, two hundred thirty-three thousand, two hundred ninety-nine".