523164143 has 4 divisors (see below), whose sum is σ = 528344088. Its totient is φ = 517984200.

The previous prime is 523164077. The next prime is 523164199. The reversal of 523164143 is 341461325.

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 523164143 - 2²² = 518969839 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 (523163143) 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, 2589821 + ... + 2590022.

It is an arithmetic number, because the mean of its divisors is an integer number (132086022).

Almost surely, 2^523164143 is an apocalyptic number.

523164143 is a deficient number, since it is larger than the sum of its proper divisors (5179945).

523164143 is a wasteful number, since it uses less digits than its factorization.

523164143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179944.

The product of its digits is 8640, while the sum is 29.

The square root of 523164143 is about 22872.7817066486. The cubic root of 523164143 is about 805.7728996466.

The spelling of 523164143 in words is "five hundred twenty-three million, one hundred sixty-four thousand, one hundred forty-three".