4566278423 has 4 divisors (see below), whose sum is σ = 5218603920. Its totient is φ = 3913952928.

The previous prime is 4566278419. The next prime is 4566278459. The reversal of 4566278423 is 3248726654.

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 4566278423 - 2² = 4566278419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4566278473) 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, 326162738 + ... + 326162751.

It is an arithmetic number, because the mean of its divisors is an integer number (1304650980).

Almost surely, 2^4566278423 is an apocalyptic number.

4566278423 is a deficient number, since it is larger than the sum of its proper divisors (652325497).

4566278423 is an equidigital number, since it uses as much as digits as its factorization.

4566278423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652325496.

The product of its digits is 1935360, while the sum is 47.

The square root of 4566278423 is about 67574.2437841520. The cubic root of 4566278423 is about 1659.0295802700.

The spelling of 4566278423 in words is "four billion, five hundred sixty-six million, two hundred seventy-eight thousand, four hundred twenty-three".