23065994527849 has 81 divisors (see below), whose sum is σ = 29434390578063. Its totient is φ = 18014531318784.

The previous prime is 23065994527819. The next prime is 23065994527951. The reversal of 23065994527849 is 94872549956032.

The square root of 23065994527849 is 4802707.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 22335482437849 + 730512090000 = 4726043^2 + 854700^2 .

It is not a de Polignac number, because 23065994527849 - 2¹¹ = 23065994525801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23065994527819) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 38897123697 + ... + 38897124289.

Almost surely, 2^{23065994527849} is an apocalyptic number.

23065994527849 is the 4802707-th square number.

23065994527849 is the 2401354-th centered octagonal number.

It is an amenable number.

23065994527849 is a deficient number, since it is larger than the sum of its proper divisors (6368396050214).

23065994527849 is an frugal number, since it uses more digits than its factorization.

23065994527849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 1175731200, while the sum is 73.

The spelling of 23065994527849 in words is "twenty-three trillion, sixty-five billion, nine hundred ninety-four million, five hundred twenty-seven thousand, eight hundred forty-nine".