32300005405 has 4 divisors (see below), whose sum is σ = 38760006492. Its totient is φ = 25840004320.

The previous prime is 32300005393. The next prime is 32300005447. The reversal of 32300005405 is 50450000323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50450000323 = 2531 ⋅19932833.

It can be written as a sum of positive squares in 2 ways, for example, as 18970379289 + 13329626116 = 137733^2 + 115454^2 .

It is not a de Polignac number, because 32300005405 - 2⁵ = 32300005373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230000536 + ... + 3230000545.

It is an arithmetic number, because the mean of its divisors is an integer number (9690001623).

Almost surely, 2^32300005405 is an apocalyptic number.

It is an amenable number.

32300005405 is a deficient number, since it is larger than the sum of its proper divisors (6460001087).

32300005405 is an equidigital number, since it uses as much as digits as its factorization.

32300005405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460001086.

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 32300005405 its reverse (50450000323), we get a palindrome (82750005728).

The spelling of 32300005405 in words is "thirty-two billion, three hundred million, five thousand, four hundred five".