423537 has 4 divisors (see below), whose sum is σ = 564720. Its totient is φ = 282356.

The previous prime is 423509. The next prime is 423541. The reversal of 423537 is 735324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423537 - 2⁸ = 423281 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423537.

It is not an unprimeable number, because it can be changed into a prime (423547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70587 + ... + 70592.

It is an arithmetic number, because the mean of its divisors is an integer number (141180).

2⁴²³⁵³⁷ is an apocalyptic number.

It is an amenable number.

423537 is a deficient number, since it is larger than the sum of its proper divisors (141183).

423537 is a wasteful number, since it uses less digits than its factorization.

423537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141182.

The product of its digits is 2520, while the sum is 24.

The square root of 423537 is about 650.7972034359. The cubic root of 423537 is about 75.0983598371.

The spelling of 423537 in words is "four hundred twenty-three thousand, five hundred thirty-seven".