23162444561 has 16 divisors (see below), whose sum is σ = 24974576640. Its totient is φ = 21418858560.

The previous prime is 23162444483. The next prime is 23162444587. The reversal of 23162444561 is 16544426132.

It is not a de Polignac number, because 23162444561 - 2¹⁰ = 23162443537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23162404561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706235 + ... + 738303.

It is an arithmetic number, because the mean of its divisors is an integer number (1560911040).

Almost surely, 2^23162444561 is an apocalyptic number.

It is an amenable number.

23162444561 is a deficient number, since it is larger than the sum of its proper divisors (1812132079).

23162444561 is a wasteful number, since it uses less digits than its factorization.

23162444561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33136.

The product of its digits is 138240, while the sum is 38.

The spelling of 23162444561 in words is "twenty-three billion, one hundred sixty-two million, four hundred forty-four thousand, five hundred sixty-one".