32421423 has 8 divisors (see below), whose sum is σ = 43262208. Its totient is φ = 21597464.

The previous prime is 32421409. The next prime is 32421427. The reversal of 32421423 is 32412423.

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 32421423 - 2⁴ = 32421407 is a prime.

It is a super-2 number, since 2×32421423² = 2102297338689858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32421423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32421427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (5407776).

Almost surely, 2^32421423 is an apocalyptic number.

32421423 is a deficient number, since it is larger than the sum of its proper divisors (10840785).

32421423 is a wasteful number, since it uses less digits than its factorization.

32421423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413.

The product of its digits is 1152, while the sum is 21.

The square root of 32421423 is about 5693.9812960704. The cubic root of 32421423 is about 318.8678186525.

Adding to 32421423 its reverse (32412423), we get a palindrome (64833846).

The spelling of 32421423 in words is "thirty-two million, four hundred twenty-one thousand, four hundred twenty-three".