32440142423 has 8 divisors (see below), whose sum is σ = 36774250800. Its totient is φ = 28368707328.

The previous prime is 32440142411. The next prime is 32440142437. The reversal of 32440142423 is 32424104423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32440142423 - 2¹⁴ = 32440126039 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 (32440192423) 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 7 ways as a sum of consecutive naturals, for example, 65668058 + ... + 65668551.

It is an arithmetic number, because the mean of its divisors is an integer number (4596781350).

Almost surely, 2^32440142423 is an apocalyptic number.

32440142423 is a deficient number, since it is larger than the sum of its proper divisors (4334108377).

32440142423 is a wasteful number, since it uses less digits than its factorization.

32440142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131336641.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 32440142423 its reverse (32424104423), we get a palindrome (64864246846).

The spelling of 32440142423 in words is "thirty-two billion, four hundred forty million, one hundred forty-two thousand, four hundred twenty-three".