23005216450 has 24 divisors (see below), whose sum is σ = 42793715268. Its totient is φ = 9201223680.

The previous prime is 23005216393. The next prime is 23005216453. The reversal of 23005216450 is 5461250032.

It can be written as a sum of positive squares in 6 ways, for example, as 5443931089 + 17561285361 = 73783^2 + 132519^2 .

It is a super-3 number, since 3×23005216450³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (23005216453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951714 + ... + 975586.

Almost surely, 2^23005216450 is an apocalyptic number.

23005216450 is a deficient number, since it is larger than the sum of its proper divisors (19788498818).

23005216450 is a wasteful number, since it uses less digits than its factorization.

23005216450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43158 (or 43153 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 23005216450 its reverse (5461250032), we get a palindrome (28466466482).

The spelling of 23005216450 in words is "twenty-three billion, five million, two hundred sixteen thousand, four hundred fifty".