23030320 has 40 divisors (see below), whose sum is σ = 53746560. Its totient is φ = 9177600.

The previous prime is 23030309. The next prime is 23030333. The reversal of 23030320 is 2303032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 23030320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38020 + ... + 38620.

It is an arithmetic number, because the mean of its divisors is an integer number (1343664).

Almost surely, 2^23030320 is an apocalyptic number.

23030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030320 is an abundant number, since it is smaller than the sum of its proper divisors (30716240).

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

23030320 is a wasteful number, since it uses less digits than its factorization.

23030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 23030320 is about 4798.9915607344. The cubic root of 23030320 is about 284.5116083983.

Adding to 23030320 its reverse (2303032), we get a palindrome (25333352).

The spelling of 23030320 in words is "twenty-three million, thirty thousand, three hundred twenty".