5161422723 has 4 divisors (see below), whose sum is σ = 6881896968. Its totient is φ = 3440948480.

The previous prime is 5161422703. The next prime is 5161422731. The reversal of 5161422723 is 3272241615.

5161422723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5161422723 - 2⁶ = 5161422659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5161422703) 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, 860237118 + ... + 860237123.

It is an arithmetic number, because the mean of its divisors is an integer number (1720474242).

Almost surely, 2^5161422723 is an apocalyptic number.

5161422723 is a deficient number, since it is larger than the sum of its proper divisors (1720474245).

5161422723 is a wasteful number, since it uses less digits than its factorization.

5161422723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720474244.

The product of its digits is 20160, while the sum is 33.

The square root of 5161422723 is about 71843.0422727212. The cubic root of 5161422723 is about 1728.1833227923.

The spelling of 5161422723 in words is "five billion, one hundred sixty-one million, four hundred twenty-two thousand, seven hundred twenty-three".