80257423 has 4 divisors (see below), whose sum is σ = 81771768. Its totient is φ = 78743080.

The previous prime is 80257421. The next prime is 80257427. The reversal of 80257423 is 32475208.

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 80257423 - 2¹ = 80257421 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80257421) 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, 757093 + ... + 757198.

It is an arithmetic number, because the mean of its divisors is an integer number (20442942).

Almost surely, 2^80257423 is an apocalyptic number.

80257423 is a deficient number, since it is larger than the sum of its proper divisors (1514345).

80257423 is a wasteful number, since it uses less digits than its factorization.

80257423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514344.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 80257423 is about 8958.6507354623. The cubic root of 80257423 is about 431.3486107060.

The spelling of 80257423 in words is "eighty million, two hundred fifty-seven thousand, four hundred twenty-three".