545243423 has 8 divisors (see below), whose sum is σ = 550724880. Its totient is φ = 539784000.

The previous prime is 545243417. The next prime is 545243429. The reversal of 545243423 is 324342545.

It is an interprime number because it is at equal distance from previous prime (545243417) and next prime (545243429).

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 545243423 - 2¹² = 545239327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545243423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545243429) 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, 46673 + ... + 57173.

It is an arithmetic number, because the mean of its divisors is an integer number (68840610).

Almost surely, 2^545243423 is an apocalyptic number.

545243423 is a deficient number, since it is larger than the sum of its proper divisors (5481457).

545243423 is a wasteful number, since it uses less digits than its factorization.

545243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017.

The product of its digits is 57600, while the sum is 32.

The square root of 545243423 is about 23350.4480256804. The cubic root of 545243423 is about 816.9525108142.

Adding to 545243423 its reverse (324342545), we get a palindrome (869585968).

The spelling of 545243423 in words is "five hundred forty-five million, two hundred forty-three thousand, four hundred twenty-three".