432081523 has 4 divisors (see below), whose sum is σ = 443759440. Its totient is φ = 420403608.

The previous prime is 432081467. The next prime is 432081547. The reversal of 432081523 is 325180234.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432081523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432081491 and 432081500.

It is not an unprimeable number, because it can be changed into a prime (432081563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5838903 + ... + 5838976.

It is an arithmetic number, because the mean of its divisors is an integer number (110939860).

Almost surely, 2^432081523 is an apocalyptic number.

432081523 is a deficient number, since it is larger than the sum of its proper divisors (11677917).

432081523 is a wasteful number, since it uses less digits than its factorization.

432081523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677916.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 432081523 is about 20786.5707368965. The cubic root of 432081523 is about 756.0001790496. Note that the first 3 decimals are identical.

The spelling of 432081523 in words is "four hundred thirty-two million, eighty-one thousand, five hundred twenty-three".