32641555423 has 4 divisors (see below), whose sum is σ = 32658837120. Its totient is φ = 32624273728.

The previous prime is 32641555393. The next prime is 32641555469. The reversal of 32641555423 is 32455514623.

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 32641555423 - 2¹³ = 32641547231 is a prime.

It is a super-2 number, since 2×32641555423² (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 (32641555223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8638015 + ... + 8641792.

It is an arithmetic number, because the mean of its divisors is an integer number (8164709280).

Almost surely, 2^32641555423 is an apocalyptic number.

32641555423 is a deficient number, since it is larger than the sum of its proper divisors (17281697).

32641555423 is a wasteful number, since it uses less digits than its factorization.

32641555423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17281696.

The product of its digits is 432000, while the sum is 40.

The spelling of 32641555423 in words is "thirty-two billion, six hundred forty-one million, five hundred fifty-five thousand, four hundred twenty-three".