80636423 has 16 divisors (see below), whose sum is σ = 97853184. Its totient is φ = 64867200.

The previous prime is 80636411. The next prime is 80636429. The reversal of 80636423 is 32463608.

It is a cyclic number.

It is not a de Polignac number, because 80636423 - 2¹² = 80632327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80636423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80636429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54848 + ... + 56298.

It is an arithmetic number, because the mean of its divisors is an integer number (6115824).

Almost surely, 2^80636423 is an apocalyptic number.

80636423 is a deficient number, since it is larger than the sum of its proper divisors (17216761).

80636423 is a wasteful number, since it uses less digits than its factorization.

80636423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 80636423 is about 8979.7785607441. The cubic root of 80636423 is about 432.0265312209.

The spelling of 80636423 in words is "eighty million, six hundred thirty-six thousand, four hundred twenty-three".