5423723561 has 16 divisors (see below), whose sum is σ = 5606599488. Its totient is φ = 5244523200.

The previous prime is 5423723509. The next prime is 5423723593. The reversal of 5423723561 is 1653273245.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5423723561 is a prime.

It is a super-2 number, since 2×5423723561² = 58833554532293041442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5423753561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065755 + ... + 1070831.

It is an arithmetic number, because the mean of its divisors is an integer number (350412468).

Almost surely, 2^5423723561 is an apocalyptic number.

It is an amenable number.

5423723561 is a deficient number, since it is larger than the sum of its proper divisors (182875927).

5423723561 is a wasteful number, since it uses less digits than its factorization.

5423723561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432.

The product of its digits is 151200, while the sum is 38.

The square root of 5423723561 is about 73645.9337709829. The cubic root of 5423723561 is about 1756.9760790952.

The spelling of 5423723561 in words is "five billion, four hundred twenty-three million, seven hundred twenty-three thousand, five hundred sixty-one".