4043123345 has 16 divisors (see below), whose sum is σ = 5138640000. Its totient is φ = 3043348224.

The previous prime is 4043123341. The next prime is 4043123353. The reversal of 4043123345 is 5433213404.

It is a cyclic number.

It is not a de Polignac number, because 4043123345 - 2² = 4043123341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4043123341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535406 + ... + 542904.

It is an arithmetic number, because the mean of its divisors is an integer number (321165000).

Almost surely, 2^4043123345 is an apocalyptic number.

It is an amenable number.

4043123345 is a deficient number, since it is larger than the sum of its proper divisors (1095516655).

4043123345 is a wasteful number, since it uses less digits than its factorization.

4043123345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 4043123345 is about 63585.5592489364. The cubic root of 4043123345 is about 1593.0851777014.

Adding to 4043123345 its reverse (5433213404), we get a palindrome (9476336749).

The spelling of 4043123345 in words is "four billion, forty-three million, one hundred twenty-three thousand, three hundred forty-five".