4545020323 has 8 divisors (see below), whose sum is σ = 4601693376. Its totient is φ = 4488393000.

The previous prime is 4545020309. The next prime is 4545020339. The reversal of 4545020323 is 3230205454.

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 4545020323 - 2²¹ = 4542923171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4545020291 and 4545020300.

It is not an unprimeable number, because it can be changed into a prime (4545020303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216648 + ... + 236698.

It is an arithmetic number, because the mean of its divisors is an integer number (575211672).

Almost surely, 2^4545020323 is an apocalyptic number.

4545020323 is a deficient number, since it is larger than the sum of its proper divisors (56673053).

4545020323 is a wasteful number, since it uses less digits than its factorization.

4545020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22865.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 4545020323 is about 67416.7658895026. The cubic root of 4545020323 is about 1656.4510626623.

Adding to 4545020323 its reverse (3230205454), we get a palindrome (7775225777).

The spelling of 4545020323 in words is "four billion, five hundred forty-five million, twenty thousand, three hundred twenty-three".