23098475520 has 264 divisors, whose sum is σ = 80686255104. Its totient is φ = 6109544448.

The previous prime is 23098475483. The next prime is 23098475527. The reversal of 23098475520 is 2557489032.

23098475520 is a `hidden beast` number, since 2 + 3 + 0 + 98 + 4 + 7 + 552 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (23098475527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5850187 + ... + 5854133.

Almost surely, 2^23098475520 is an apocalyptic number.

23098475520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23098475520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40343127552).

23098475520 is an abundant number, since it is smaller than the sum of its proper divisors (57587779584).

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

23098475520 is a wasteful number, since it uses less digits than its factorization.

23098475520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 23098475520 in words is "twenty-three billion, ninety-eight million, four hundred seventy-five thousand, five hundred twenty".