432723 has 4 divisors (see below), whose sum is σ = 576968. Its totient is φ = 288480.

The previous prime is 432721. The next prime is 432727. The reversal of 432723 is 327234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 432723 - 2¹ = 432721 is a prime.

It is an Ulam number.

It is a D-number.

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

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 432723.

It is not an unprimeable number, because it can be changed into a prime (432721) 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, 72118 + ... + 72123.

It is an arithmetic number, because the mean of its divisors is an integer number (144242).

2⁴³²⁷²³ is an apocalyptic number.

432723 is a deficient number, since it is larger than the sum of its proper divisors (144245).

432723 is a wasteful number, since it uses less digits than its factorization.

432723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144244.

The product of its digits is 1008, while the sum is 21.

The square root of 432723 is about 657.8168438099. The cubic root of 432723 is about 75.6374118462.

Adding to 432723 its reverse (327234), we get a palindrome (759957).

The spelling of 432723 in words is "four hundred thirty-two thousand, seven hundred twenty-three".