23306730 has 64 divisors (see below), whose sum is σ = 60825600. Its totient is φ = 5693760.

The previous prime is 23306719. The next prime is 23306743. The reversal of 23306730 is 3760332.

It is a self number, because there is not a number n which added to its sum of digits gives 23306730.

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 31 ways as a sum of consecutive naturals, for example, 17011 + ... + 18329.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^23306730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23306730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30412800).

23306730 is an abundant number, since it is smaller than the sum of its proper divisors (37518870).

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

23306730 is a wasteful number, since it uses less digits than its factorization.

23306730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 23306730 is about 4827.7044234294. The cubic root of 23306730 is about 285.6453213312.

The spelling of 23306730 in words is "twenty-three million, three hundred six thousand, seven hundred thirty".