434723 has 8 divisors (see below), whose sum is σ = 465696. Its totient is φ = 404800.

The previous prime is 434719. The next prime is 434743. The reversal of 434723 is 327434.

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 434723 - 2² = 434719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434743) 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, 713 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2⁴³⁴⁷²³ is an apocalyptic number.

434723 is a deficient number, since it is larger than the sum of its proper divisors (30973).

434723 is a wasteful number, since it uses less digits than its factorization.

434723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

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

The square root of 434723 is about 659.3352713150. The cubic root of 434723 is about 75.7537621531.

The spelling of 434723 in words is "four hundred thirty-four thousand, seven hundred twenty-three".