32403940423 has 4 divisors (see below), whose sum is σ = 32466136608. Its totient is φ = 32341744240.

The previous prime is 32403940409. The next prime is 32403940433. The reversal of 32403940423 is 32404930423.

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 32403940423 - 2²⁵ = 32370385991 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 (32403940403) by changing a digit.

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, 31097311 + ... + 31098352.

It is an arithmetic number, because the mean of its divisors is an integer number (8116534152).

Almost surely, 2^32403940423 is an apocalyptic number.

32403940423 is a deficient number, since it is larger than the sum of its proper divisors (62196185).

32403940423 is an equidigital number, since it uses as much as digits as its factorization.

32403940423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62196184.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 32403940423 in words is "thirty-two billion, four hundred three million, nine hundred forty thousand, four hundred twenty-three".