23553004320 has 144 divisors (see below), whose sum is σ = 82335190392. Its totient is φ = 6127595520.

The previous prime is 23553004313. The next prime is 23553004351. The reversal of 23553004320 is 2340035532.

23553004320 is a `hidden beast` number, since 2 + 35 + 5 + 300 + 4 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6822099216 + 16730905104 = 82596^2 + 129348^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 140427 + ... + 258506.

Almost surely, 2^23553004320 is an apocalyptic number.

23553004320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23553004320 is an abundant number, since it is smaller than the sum of its proper divisors (58782186072).

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

23553004320 is a wasteful number, since it uses less digits than its factorization.

23553004320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398995 (or 398984 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 23553004320 its reverse (2340035532), we get a palindrome (25893039852).

The spelling of 23553004320 in words is "twenty-three billion, five hundred fifty-three million, four thousand, three hundred twenty".