432402543 has 20 divisors (see below), whose sum is σ = 650230768. Its totient is φ = 286351200.

The previous prime is 432402541. The next prime is 432402547. The reversal of 432402543 is 345204234.

It is not a de Polignac number, because 432402543 - 2¹ = 432402541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432402541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5446 + ... + 29907.

Almost surely, 2^432402543 is an apocalyptic number.

432402543 is a deficient number, since it is larger than the sum of its proper divisors (217828225).

432402543 is a wasteful number, since it uses less digits than its factorization.

432402543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35516 (or 35507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 432402543 is about 20794.2911155923. The cubic root of 432402543 is about 756.1873590808.

Adding to 432402543 its reverse (345204234), we get a palindrome (777606777).

The spelling of 432402543 in words is "four hundred thirty-two million, four hundred two thousand, five hundred forty-three".