2302640243 has 4 divisors (see below), whose sum is σ = 2312966208. Its totient is φ = 2292314280.

The previous prime is 2302640231. The next prime is 2302640251. The reversal of 2302640243 is 3420462032.

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 2302640243 - 2²² = 2298445939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2302640443) 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, 5162648 + ... + 5163093.

It is an arithmetic number, because the mean of its divisors is an integer number (578241552).

Almost surely, 2^2302640243 is an apocalyptic number.

2302640243 is a deficient number, since it is larger than the sum of its proper divisors (10325965).

2302640243 is a wasteful number, since it uses less digits than its factorization.

2302640243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325964.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2302640243 is about 47985.8337741463. The cubic root of 2302640243 is about 1320.5110209563.

The spelling of 2302640243 in words is "two billion, three hundred two million, six hundred forty thousand, two hundred forty-three".