4023045443 has 4 divisors (see below), whose sum is σ = 4023733560. Its totient is φ = 4022357328.

The previous prime is 4023045431. The next prime is 4023045457. The reversal of 4023045443 is 3445403204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4023045443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023045413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335213 + ... + 347006.

It is an arithmetic number, because the mean of its divisors is an integer number (1005933390).

Almost surely, 2^4023045443 is an apocalyptic number.

4023045443 is a deficient number, since it is larger than the sum of its proper divisors (688117).

4023045443 is an equidigital number, since it uses as much as digits as its factorization.

4023045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688116.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 4023045443 is about 63427.4817646105. The cubic root of 4023045443 is about 1590.4437461135.

Adding to 4023045443 its reverse (3445403204), we get a palindrome (7468448647).

The spelling of 4023045443 in words is "four billion, twenty-three million, forty-five thousand, four hundred forty-three".