545126823 has 6 divisors (see below), whose sum is σ = 787405424. Its totient is φ = 363417876.

The previous prime is 545126741. The next prime is 545126837. The reversal of 545126823 is 328621545.

It is not a de Polignac number, because 545126823 - 2²⁰ = 544078247 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 (545126873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30284815 + ... + 30284832.

Almost surely, 2^545126823 is an apocalyptic number.

545126823 is a deficient number, since it is larger than the sum of its proper divisors (242278601).

545126823 is a wasteful number, since it uses less digits than its factorization.

545126823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60569653 (or 60569650 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 545126823 is about 23347.9511520818. The cubic root of 545126823 is about 816.8942717172.

The spelling of 545126823 in words is "five hundred forty-five million, one hundred twenty-six thousand, eight hundred twenty-three".