531367423 has 4 divisors (see below), whose sum is σ = 531699280. Its totient is φ = 531035568.

The previous prime is 531367399. The next prime is 531367427. The reversal of 531367423 is 324763135.

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 531367423 - 2⁵ = 531367391 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 (531367427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163515 + ... + 166732.

It is an arithmetic number, because the mean of its divisors is an integer number (132924820).

Almost surely, 2^531367423 is an apocalyptic number.

531367423 is a deficient number, since it is larger than the sum of its proper divisors (331857).

531367423 is a wasteful number, since it uses less digits than its factorization.

531367423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331856.

The product of its digits is 45360, while the sum is 34.

The square root of 531367423 is about 23051.4082650063. The cubic root of 531367423 is about 809.9626172861.

The spelling of 531367423 in words is "five hundred thirty-one million, three hundred sixty-seven thousand, four hundred twenty-three".