23428935905472 has 168 divisors, whose sum is σ = 70251069657600. Its totient is φ = 7455623712768.

The previous prime is 23428935905471. The next prime is 23428935905533. The reversal of 23428935905472 is 27450953982432.

23428935905472 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 89 + 3 + 5 + 9 + 0 + 547 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (23428935905471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6393088 + ... + 9366399.

Almost surely, 2^{23428935905472} is an apocalyptic number.

It is an amenable number.

23428935905472 is an abundant number, since it is smaller than the sum of its proper divisors (46822133752128).

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

23428935905472 is a wasteful number, since it uses less digits than its factorization.

23428935905472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15759623 (or 15759610 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 23428935905472 in words is "twenty-three trillion, four hundred twenty-eight billion, nine hundred thirty-five million, nine hundred five thousand, four hundred seventy-two".