32112323405 has 4 divisors (see below), whose sum is σ = 38534788092. Its totient is φ = 25689858720.

The previous prime is 32112323387. The next prime is 32112323459. The reversal of 32112323405 is 50432321123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50432321123 = 47 ⋅1073028109.

It can be written as a sum of positive squares in 2 ways, for example, as 15048910276 + 17063413129 = 122674^2 + 130627^2 .

It is not a de Polignac number, because 32112323405 - 2²⁰ = 32111274829 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, 3211232336 + ... + 3211232345.

It is an arithmetic number, because the mean of its divisors is an integer number (9633697023).

Almost surely, 2^32112323405 is an apocalyptic number.

It is an amenable number.

32112323405 is a deficient number, since it is larger than the sum of its proper divisors (6422464687).

32112323405 is an equidigital number, since it uses as much as digits as its factorization.

32112323405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422464686.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 32112323405 its reverse (50432321123), we get a palindrome (82544644528).

The spelling of 32112323405 in words is "thirty-two billion, one hundred twelve million, three hundred twenty-three thousand, four hundred five".