80215432128823 has 2 divisors, whose sum is σ = 80215432128824. Its totient is φ = 80215432128822.

The previous prime is 80215432128817. The next prime is 80215432128833. The reversal of 80215432128823 is 32882123451208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80215432128823 - 2²⁹ = 80214895257911 is a prime.

It is a super-3 number, since 3×80215432128823³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80215432128833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40107716064411 + 40107716064412.

It is an arithmetic number, because the mean of its divisors is an integer number (40107716064412).

Almost surely, 2^{80215432128823} is an apocalyptic number.

80215432128823 is a deficient number, since it is larger than the sum of its proper divisors (1).

80215432128823 is an equidigital number, since it uses as much as digits as its factorization.

80215432128823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 80215432128823 in words is "eighty trillion, two hundred fifteen billion, four hundred thirty-two million, one hundred twenty-eight thousand, eight hundred twenty-three".