4023204545 has 4 divisors (see below), whose sum is σ = 4827845460. Its totient is φ = 3218563632.

The previous prime is 4023204541. The next prime is 4023204557. The reversal of 4023204545 is 5454023204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2677855504 + 1345349041 = 51748^2 + 36679^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023204545 - 2² = 4023204541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4023204541) 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, 402320450 + ... + 402320459.

It is an arithmetic number, because the mean of its divisors is an integer number (1206961365).

Almost surely, 2^4023204545 is an apocalyptic number.

It is an amenable number.

4023204545 is a deficient number, since it is larger than the sum of its proper divisors (804640915).

4023204545 is an equidigital number, since it uses as much as digits as its factorization.

4023204545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804640914.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 4023204545 is about 63428.7359561894. The cubic root of 4023204545 is about 1590.4647119423.

Adding to 4023204545 its reverse (5454023204), we get a palindrome (9477227749).

The spelling of 4023204545 in words is "four billion, twenty-three million, two hundred four thousand, five hundred forty-five".