23255004513445 has 64 divisors (see below), whose sum is σ = 28802095058880. Its totient is φ = 18017773682688.

The previous prime is 23255004513409. The next prime is 23255004513523. The reversal of 23255004513445 is 54431540055232.

It can be written as a sum of positive squares in 32 ways, for example, as 4707589411204 + 18547415102241 = 2169698^2 + 4306671^2 .

It is a cyclic number.

It is not a de Polignac number, because 23255004513445 - 2⁹ = 23255004512933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3535803997 + ... + 3535810573.

It is an arithmetic number, because the mean of its divisors is an integer number (450032735295).

Almost surely, 2^{23255004513445} is an apocalyptic number.

It is an amenable number.

23255004513445 is a deficient number, since it is larger than the sum of its proper divisors (5547090545435).

23255004513445 is a wasteful number, since it uses less digits than its factorization.

23255004513445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 23255004513445 its reverse (54431540055232), we get a palindrome (77686544568677).

The spelling of 23255004513445 in words is "twenty-three trillion, two hundred fifty-five billion, four million, five hundred thirteen thousand, four hundred forty-five".