23133030320 has 20 divisors (see below), whose sum is σ = 53784295680. Its totient is φ = 9253212096.

The previous prime is 23133030301. The next prime is 23133030337. The reversal of 23133030320 is 2303033132.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23133030292 and 23133030301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144581360 + ... + 144581519.

It is an arithmetic number, because the mean of its divisors is an integer number (2689214784).

Almost surely, 2^23133030320 is an apocalyptic number.

23133030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133030320 is an abundant number, since it is smaller than the sum of its proper divisors (30651265360).

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

23133030320 is a wasteful number, since it uses less digits than its factorization.

23133030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289162892 (or 289162886 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 23133030320 its reverse (2303033132), we get a palindrome (25436063452).

The spelling of 23133030320 in words is "twenty-three billion, one hundred thirty-three million, thirty thousand, three hundred twenty".