423073 has 8 divisors (see below), whose sum is σ = 509120. Its totient is φ = 343440.

The previous prime is 423067. The next prime is 423083. The reversal of 423073 is 370324.

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-423073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423073.

It is not an unprimeable number, because it can be changed into a prime (423013) 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, 1458 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (63640).

2⁴²³⁰⁷³ is an apocalyptic number.

It is an amenable number.

423073 is a deficient number, since it is larger than the sum of its proper divisors (86047).

423073 is a wasteful number, since it uses less digits than its factorization.

423073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 423073 is about 650.4406198878. The cubic root of 423073 is about 75.0709254991.

Adding to 423073 its reverse (370324), we get a palindrome (793397).

The spelling of 423073 in words is "four hundred twenty-three thousand, seventy-three", and thus it is an iban number.