424373 has 4 divisors (see below), whose sum is σ = 442848. Its totient is φ = 405900.

The previous prime is 424351. The next prime is 424397. The reversal of 424373 is 373424.

It is a happy number.

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 424373 - 2⁸ = 424117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 18451 = 424373 / (4 + 2 + 4 + 3 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424313) 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, 9203 + ... + 9248.

It is an arithmetic number, because the mean of its divisors is an integer number (110712).

2⁴²⁴³⁷³ is an apocalyptic number.

It is an amenable number.

424373 is a deficient number, since it is larger than the sum of its proper divisors (18475).

424373 is a wasteful number, since it uses less digits than its factorization.

424373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18474.

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

The square root of 424373 is about 651.4391759788. The cubic root of 424373 is about 75.1477384167.

Adding to 424373 its reverse (373424), we get a palindrome (797797).

It can be divided in two parts, 424 and 373, that added together give a palindrome (797).

The spelling of 424373 in words is "four hundred twenty-four thousand, three hundred seventy-three", and thus it is an iban number.