23203300320 has 72 divisors (see below), whose sum is σ = 79181267256. Its totient is φ = 6187546368.

The previous prime is 23203300303. The next prime is 23203300339. The reversal of 23203300320 is 2300330232.

23203300320 is a `hidden beast` number, since 23 + 20 + 3 + 300 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×23203300320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23203300293 and 23203300302.

It is a congruent number.

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, 8055262 + ... + 8058141.

It is an arithmetic number, because the mean of its divisors is an integer number (1099739823).

Almost surely, 2^23203300320 is an apocalyptic number.

23203300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203300320 is an abundant number, since it is smaller than the sum of its proper divisors (55977966936).

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

23203300320 is a wasteful number, since it uses less digits than its factorization.

23203300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16113424 (or 16113413 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 23203300320 its reverse (2300330232), we get a palindrome (25503630552).

The spelling of 23203300320 in words is "twenty-three billion, two hundred three million, three hundred thousand, three hundred twenty".