23081307 has 4 divisors (see below), whose sum is σ = 30775080. Its totient is φ = 15387536.

The previous prime is 23081297. The next prime is 23081309. The reversal of 23081307 is 70318032.

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

It is a cyclic number.

It is not a de Polignac number, because 23081307 - 2¹⁹ = 22557019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23081309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846882 + ... + 3846887.

It is an arithmetic number, because the mean of its divisors is an integer number (7693770).

Almost surely, 2^23081307 is an apocalyptic number.

23081307 is a deficient number, since it is larger than the sum of its proper divisors (7693773).

23081307 is an equidigital number, since it uses as much as digits as its factorization.

23081307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693772.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 23081307 is about 4804.3008856648. The cubic root of 23081307 is about 284.7214144461.

Adding to 23081307 its reverse (70318032), we get a palindrome (93399339).

The spelling of 23081307 in words is "twenty-three million, eighty-one thousand, three hundred seven".