434523 has 8 divisors (see below), whose sum is σ = 582736. Its totient is φ = 288000.

The previous prime is 434521. The next prime is 434561. The reversal of 434523 is 325434.

It is a happy number.

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

It is not a de Polignac number, because 434523 - 2¹ = 434521 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 434523.

It is not an unprimeable number, because it can be changed into a prime (434521) 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, 423 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (72842).

2⁴³⁴⁵²³ is an apocalyptic number.

434523 is a deficient number, since it is larger than the sum of its proper divisors (148213).

434523 is a wasteful number, since it uses less digits than its factorization.

434523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

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

The square root of 434523 is about 659.1835859607. The cubic root of 434523 is about 75.7421432015.

Adding to 434523 its reverse (325434), we get a palindrome (759957).

The spelling of 434523 in words is "four hundred thirty-four thousand, five hundred twenty-three".