23072930 has 16 divisors (see below), whose sum is σ = 41653440. Its totient is φ = 9202032.

The previous prime is 23072909. The next prime is 23072963. The reversal of 23072930 is 3927032.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23072930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377 + ... + 6803.

It is an arithmetic number, because the mean of its divisors is an integer number (2603340).

Almost surely, 2^23072930 is an apocalyptic number.

23072930 is a deficient number, since it is larger than the sum of its proper divisors (18580510).

23072930 is a wasteful number, since it uses less digits than its factorization.

23072930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 23072930 is about 4803.4289835491. The cubic root of 23072930 is about 284.6869652142.

Adding to 23072930 its reverse (3927032), we get a palindrome (26999962).

The spelling of 23072930 in words is "twenty-three million, seventy-two thousand, nine hundred thirty".