23305245 has 16 divisors (see below), whose sum is σ = 37660032. Its totient is φ = 12305600.

The previous prime is 23305231. The next prime is 23305277. The reversal of 23305245 is 54250332.

It is not a de Polignac number, because 23305245 - 2⁹ = 23304733 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6177 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (2353752).

Almost surely, 2^23305245 is an apocalyptic number.

It is an amenable number.

23305245 is a deficient number, since it is larger than the sum of its proper divisors (14354787).

23305245 is a wasteful number, since it uses less digits than its factorization.

23305245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 23305245 is about 4827.5506211743. The cubic root of 23305245 is about 285.6392545240.

Adding to 23305245 its reverse (54250332), we get a palindrome (77555577).

The spelling of 23305245 in words is "twenty-three million, three hundred five thousand, two hundred forty-five".