23305306 has 4 divisors (see below), whose sum is σ = 34957962. Its totient is φ = 11652652.

The previous prime is 23305277. The next prime is 23305307. The reversal of 23305306 is 60350332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 2374681 = 4575^2 + 1541^2 .

It is not an unprimeable number, because it can be changed into a prime (23305307) by changing a digit.

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 as a sum of consecutive naturals, namely, 5826325 + ... + 5826328.

Almost surely, 2^23305306 is an apocalyptic number.

23305306 is a deficient number, since it is larger than the sum of its proper divisors (11652656).

23305306 is a wasteful number, since it uses less digits than its factorization.

23305306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11652655.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 23305306 is about 4827.5569390738. The cubic root of 23305306 is about 285.6395037380.

Adding to 23305306 its reverse (60350332), we get a palindrome (83655638).

The spelling of 23305306 in words is "twenty-three million, three hundred five thousand, three hundred six".