435423 has 8 divisors (see below), whose sum is σ = 611200. Its totient is φ = 274968.

The previous prime is 435419. The next prime is 435427. The reversal of 435423 is 324534.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (435419) and next prime (435427).

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

It is not a de Polignac number, because 435423 - 2² = 435419 is a prime.

It is an Ulam number.

It is a Duffinian number.

435423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 435423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (435427) 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, 3763 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (76400).

2⁴³⁵⁴²³ is an apocalyptic number.

435423 is a deficient number, since it is larger than the sum of its proper divisors (175777).

435423 is a wasteful number, since it uses less digits than its factorization.

435423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661.

The product of its digits is 1440, while the sum is 21.

The square root of 435423 is about 659.8658954666. The cubic root of 435423 is about 75.7944004422.

Adding to 435423 its reverse (324534), we get a palindrome (759957).

Subtracting from 435423 its reverse (324534), we obtain a square (110889 = 333²).

It can be divided in two parts, 435 and 423, that added together give a palindrome (858).

The spelling of 435423 in words is "four hundred thirty-five thousand, four hundred twenty-three".