423527 has 4 divisors (see below), whose sum is σ = 456120. Its totient is φ = 390936.

The previous prime is 423509. The next prime is 423541. The reversal of 423527 is 725324.

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

It is not a de Polignac number, because 423527 - 2⁶ = 423463 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹⁴ + 5⁸ + 3⁴ + 2¹⁴ + 7² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423547) 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, 16277 + ... + 16302.

It is an arithmetic number, because the mean of its divisors is an integer number (114030).

2⁴²³⁵²⁷ is an apocalyptic number.

423527 is a deficient number, since it is larger than the sum of its proper divisors (32593).

423527 is a wasteful number, since it uses less digits than its factorization.

423527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32592.

The product of its digits is 1680, while the sum is 23.

The square root of 423527 is about 650.7895205057. The cubic root of 423527 is about 75.0977687911.

The spelling of 423527 in words is "four hundred twenty-three thousand, five hundred twenty-seven".