2318389043 has 4 divisors (see below), whose sum is σ = 2322839448. Its totient is φ = 2313938640.

The previous prime is 2318389039. The next prime is 2318389061. The reversal of 2318389043 is 3409838132.

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 2318389043 - 2² = 2318389039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2318389243) 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, 2224421 + ... + 2225462.

It is an arithmetic number, because the mean of its divisors is an integer number (580709862).

Almost surely, 2^2318389043 is an apocalyptic number.

2318389043 is a deficient number, since it is larger than the sum of its proper divisors (4450405).

2318389043 is an equidigital number, since it uses as much as digits as its factorization.

2318389043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450404.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2318389043 is about 48149.6525740321. The cubic root of 2318389043 is about 1323.5147078786.

The spelling of 2318389043 in words is "two billion, three hundred eighteen million, three hundred eighty-nine thousand, forty-three".