2443123345 has 8 divisors (see below), whose sum is σ = 3157267176. Its totient is φ = 1804152576.

The previous prime is 2443123313. The next prime is 2443123373. The reversal of 2443123345 is 5433213442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40947201 + 2402176144 = 6399^2 + 49012^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2443123345 - 2⁵ = 2443123313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18793192 + ... + 18793321.

It is an arithmetic number, because the mean of its divisors is an integer number (394658397).

Almost surely, 2^2443123345 is an apocalyptic number.

It is an amenable number.

2443123345 is a deficient number, since it is larger than the sum of its proper divisors (714143831).

2443123345 is a wasteful number, since it uses less digits than its factorization.

2443123345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37586531.

The product of its digits is 34560, while the sum is 31.

The square root of 2443123345 is about 49427.9611657208. The cubic root of 2443123345 is about 1346.8372867816.

Adding to 2443123345 its reverse (5433213442), we get a palindrome (7876336787).

The spelling of 2443123345 in words is "two billion, four hundred forty-three million, one hundred twenty-three thousand, three hundred forty-five".