32040123409 has 4 divisors (see below), whose sum is σ = 36617283904. Its totient is φ = 27462962916.

The previous prime is 32040123403. The next prime is 32040123413. The reversal of 32040123409 is 90432104023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90432104023 = 24049 ⋅3760327.

It is a cyclic number.

It is not a de Polignac number, because 32040123409 - 2⁹ = 32040122897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32040123403) 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, 2288580237 + ... + 2288580250.

It is an arithmetic number, because the mean of its divisors is an integer number (9154320976).

Almost surely, 2^32040123409 is an apocalyptic number.

It is an amenable number.

32040123409 is a deficient number, since it is larger than the sum of its proper divisors (4577160495).

32040123409 is an equidigital number, since it uses as much as digits as its factorization.

32040123409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577160494.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 32040123409 in words is "thirty-two billion, forty million, one hundred twenty-three thousand, four hundred nine".