23189545504 has 36 divisors (see below), whose sum is σ = 48347376714. Its totient is φ = 10911055872.

The previous prime is 23189545459. The next prime is 23189545523. The reversal of 23189545504 is 40554598132.

It can be written as a sum of positive squares in 3 ways, for example, as 12836890000 + 10352655504 = 113300^2 + 101748^2 .

It is a super-2 number, since 2×23189545504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3548512 + ... + 3555040.

Almost surely, 2^23189545504 is an apocalyptic number.

It is an amenable number.

23189545504 is an abundant number, since it is smaller than the sum of its proper divisors (25157831210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23189545504 is an frugal number, since it uses more digits than its factorization.

23189545504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13085 (or 6548 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 23189545504 in words is "twenty-three billion, one hundred eighty-nine million, five hundred forty-five thousand, five hundred four".