2723430161 has 8 divisors (see below), whose sum is σ = 2846289024. Its totient is φ = 2600942080.

The previous prime is 2723430131. The next prime is 2723430167. The reversal of 2723430161 is 1610343272.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2723430161 - 2⁶ = 2723430097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723430167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77621 + ... + 107106.

It is an arithmetic number, because the mean of its divisors is an integer number (355786128).

Almost surely, 2^2723430161 is an apocalyptic number.

It is an amenable number.

2723430161 is a deficient number, since it is larger than the sum of its proper divisors (122858863).

2723430161 is a wasteful number, since it uses less digits than its factorization.

2723430161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185391.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2723430161 is about 52186.4940477898. The cubic root of 2723430161 is about 1396.4929501121.

The spelling of 2723430161 in words is "two billion, seven hundred twenty-three million, four hundred thirty thousand, one hundred sixty-one".