32430440323 has 4 divisors (see below), whose sum is σ = 32431674528. Its totient is φ = 32429206120.

The previous prime is 32430440299. The next prime is 32430440327. The reversal of 32430440323 is 32304403423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32304403423 = 2969 ⋅10880567.

It is a cyclic number.

It is not a de Polignac number, because 32430440323 - 2²⁵ = 32396885891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32430440291 and 32430440300.

It is not an unprimeable number, because it can be changed into a prime (32430440327) 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 3 ways as a sum of consecutive naturals, for example, 576811 + ... + 630532.

It is an arithmetic number, because the mean of its divisors is an integer number (8107918632).

Almost surely, 2^32430440323 is an apocalyptic number.

32430440323 is a deficient number, since it is larger than the sum of its proper divisors (1234205).

32430440323 is a wasteful number, since it uses less digits than its factorization.

32430440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234204.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 32430440323 its reverse (32304403423), we get a palindrome (64734843746).

The spelling of 32430440323 in words is "thirty-two billion, four hundred thirty million, four hundred forty thousand, three hundred twenty-three".