32445442423 has 8 divisors (see below), whose sum is σ = 32777213040. Its totient is φ = 32114946240.

The previous prime is 32445442399. The next prime is 32445442457. The reversal of 32445442423 is 32424454423.

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

It is a cyclic number.

It is not a de Polignac number, because 32445442423 - 2¹⁷ = 32445311351 is a prime.

It is a super-2 number, since 2×32445442423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32445442723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267390 + ... + 369307.

It is an arithmetic number, because the mean of its divisors is an integer number (4097151630).

Almost surely, 2^32445442423 is an apocalyptic number.

32445442423 is a deficient number, since it is larger than the sum of its proper divisors (331770617).

32445442423 is a wasteful number, since it uses less digits than its factorization.

32445442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637217.

The product of its digits is 368640, while the sum is 37.

Adding to 32445442423 its reverse (32424454423), we get a palindrome (64869896846).

The spelling of 32445442423 in words is "thirty-two billion, four hundred forty-five million, four hundred forty-two thousand, four hundred twenty-three".