547223823 has 32 divisors (see below), whose sum is σ = 845414400. Its totient is φ = 349399008.

The previous prime is 547223819. The next prime is 547223827. The reversal of 547223823 is 328322745.

It is an interprime number because it is at equal distance from previous prime (547223819) and next prime (547223827).

It is not a de Polignac number, because 547223823 - 2² = 547223819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547223827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96690 + ... + 102192.

It is an arithmetic number, because the mean of its divisors is an integer number (26419200).

Almost surely, 2^547223823 is an apocalyptic number.

547223823 is a deficient number, since it is larger than the sum of its proper divisors (298190577).

547223823 is a wasteful number, since it uses less digits than its factorization.

547223823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668 (or 5662 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 547223823 is about 23392.8156278803. The cubic root of 547223823 is about 817.9404107890.

The spelling of 547223823 in words is "five hundred forty-seven million, two hundred twenty-three thousand, eight hundred twenty-three".