23475281472 has 84 divisors (see below), whose sum is σ = 67817691136. Its totient is φ = 7763454720.

The previous prime is 23475281393. The next prime is 23475281483. The reversal of 23475281472 is 27418257432.

23475281472 is a `hidden beast` number, since 2 + 3 + 47 + 528 + 14 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87304 + ... + 233607.

Almost surely, 2^23475281472 is an apocalyptic number.

It is an amenable number.

23475281472 is an abundant number, since it is smaller than the sum of its proper divisors (44342409664).

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

23475281472 is a wasteful number, since it uses less digits than its factorization.

23475281472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321056 (or 321043 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The spelling of 23475281472 in words is "twenty-three billion, four hundred seventy-five million, two hundred eighty-one thousand, four hundred seventy-two".