507530423 has 4 divisors (see below), whose sum is σ = 507927288. Its totient is φ = 507133560.

The previous prime is 507530417. The next prime is 507530437. The reversal of 507530423 is 324035705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507530423 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 (507530323) 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, 196508 + ... + 199073.

It is an arithmetic number, because the mean of its divisors is an integer number (126981822).

Almost surely, 2^507530423 is an apocalyptic number.

507530423 is a deficient number, since it is larger than the sum of its proper divisors (396865).

507530423 is a wasteful number, since it uses less digits than its factorization.

507530423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396864.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 507530423 is about 22528.4358755773. The cubic root of 507530423 is about 797.6652883426.

The spelling of 507530423 in words is "five hundred seven million, five hundred thirty thousand, four hundred twenty-three".