4545412043023 has 4 divisors (see below), whose sum is σ = 4545918730408. Its totient is φ = 4544905355640.

The previous prime is 4545412043021. The next prime is 4545412043027. The reversal of 4545412043023 is 3203402145454.

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 4545412043023 - 2¹ = 4545412043021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545412043021) 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, 253330236 + ... + 253348177.

It is an arithmetic number, because the mean of its divisors is an integer number (1136479682602).

Almost surely, 2^{4545412043023} is an apocalyptic number.

4545412043023 is a deficient number, since it is larger than the sum of its proper divisors (506687385).

4545412043023 is an equidigital number, since it uses as much as digits as its factorization.

4545412043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506687384.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 4545412043023 its reverse (3203402145454), we get a palindrome (7748814188477).

The spelling of 4545412043023 in words is "four trillion, five hundred forty-five billion, four hundred twelve million, forty-three thousand, twenty-three".