32403423503 has 4 divisors (see below), whose sum is σ = 35349189288. Its totient is φ = 29457657720.

The previous prime is 32403423491. The next prime is 32403423541. The reversal of 32403423503 is 30532430423.

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

It is a cyclic number.

It is not a de Polignac number, because 32403423503 - 2⁴ = 32403423487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32403423203) 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, 1472882876 + ... + 1472882897.

It is an arithmetic number, because the mean of its divisors is an integer number (8837297322).

Almost surely, 2^32403423503 is an apocalyptic number.

32403423503 is a deficient number, since it is larger than the sum of its proper divisors (2945765785).

32403423503 is a wasteful number, since it uses less digits than its factorization.

32403423503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945765784.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 32403423503 its reverse (30532430423), we get a palindrome (62935853926).

The spelling of 32403423503 in words is "thirty-two billion, four hundred three million, four hundred twenty-three thousand, five hundred three".