545334023 has 4 divisors (see below), whose sum is σ = 587282808. Its totient is φ = 503385240.

The previous prime is 545334019. The next prime is 545334079. The reversal of 545334023 is 320433545.

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 545334023 - 2² = 545334019 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 (545339023) 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, 20974373 + ... + 20974398.

It is an arithmetic number, because the mean of its divisors is an integer number (146820702).

Almost surely, 2^545334023 is an apocalyptic number.

545334023 is a deficient number, since it is larger than the sum of its proper divisors (41948785).

545334023 is a wasteful number, since it uses less digits than its factorization.

545334023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41948784.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 545334023 is about 23352.3879507000. The cubic root of 545334023 is about 816.9977577596.

Adding to 545334023 its reverse (320433545), we get a palindrome (865767568).

The spelling of 545334023 in words is "five hundred forty-five million, three hundred thirty-four thousand, twenty-three".