423437 has 8 divisors (see below), whose sum is σ = 487872. Its totient is φ = 360000.

The previous prime is 423431. The next prime is 423439. The reversal of 423437 is 734324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423437 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423437.

It is not an unprimeable number, because it can be changed into a prime (423431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 1812.

It is an arithmetic number, because the mean of its divisors is an integer number (60984).

2⁴²³⁴³⁷ is an apocalyptic number.

It is an amenable number.

423437 is a deficient number, since it is larger than the sum of its proper divisors (64435).

423437 is a wasteful number, since it uses less digits than its factorization.

423437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its digits is 2016, while the sum is 23.

The square root of 423437 is about 650.7203700515. The cubic root of 423437 is about 75.0924489587.

The spelling of 423437 in words is "four hundred twenty-three thousand, four hundred thirty-seven".