80125823 has 4 divisors (see below), whose sum is σ = 80146608. Its totient is φ = 80105040.

The previous prime is 80125817. The next prime is 80125861. The reversal of 80125823 is 32852108.

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 80125823 - 2⁴ = 80125807 is a prime.

It is a super-2 number, since 2×80125823² = 12840295022854658, which 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 (80125873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (20036652).

Almost surely, 2^80125823 is an apocalyptic number.

80125823 is a deficient number, since it is larger than the sum of its proper divisors (20785).

80125823 is a wasteful number, since it uses less digits than its factorization.

80125823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 80125823 is about 8951.3028660637. The cubic root of 80125823 is about 431.1127175433.

The spelling of 80125823 in words is "eighty million, one hundred twenty-five thousand, eight hundred twenty-three".