432523405 has 4 divisors (see below), whose sum is σ = 519028092. Its totient is φ = 346018720.

The previous prime is 432523387. The next prime is 432523411. The reversal of 432523405 is 504325234.

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

It can be written as a sum of positive squares in 2 ways, for example, as 196532361 + 235991044 = 14019^2 + 15362^2 .

It is not a de Polignac number, because 432523405 - 2²³ = 424134797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43252336 + ... + 43252345.

It is an arithmetic number, because the mean of its divisors is an integer number (129757023).

Almost surely, 2^432523405 is an apocalyptic number.

It is an amenable number.

432523405 is a deficient number, since it is larger than the sum of its proper divisors (86504687).

432523405 is an equidigital number, since it uses as much as digits as its factorization.

432523405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86504686.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 432523405 is about 20797.1970467176. The cubic root of 432523405 is about 756.2578071730.

Adding to 432523405 its reverse (504325234), we get a palindrome (936848639).

It can be divided in two parts, 4325 and 23405, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 432523405 in words is "four hundred thirty-two million, five hundred twenty-three thousand, four hundred five".