23055567 has 4 divisors (see below), whose sum is σ = 30740760. Its totient is φ = 15370376.

The previous prime is 23055563. The next prime is 23055577. The reversal of 23055567 is 76555032.

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 23055567 - 2² = 23055563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842592 + ... + 3842597.

It is an arithmetic number, because the mean of its divisors is an integer number (7685190).

Almost surely, 2^23055567 is an apocalyptic number.

23055567 is a deficient number, since it is larger than the sum of its proper divisors (7685193).

23055567 is an equidigital number, since it uses as much as digits as its factorization.

23055567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685192.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 23055567 is about 4801.6212886899. The cubic root of 23055567 is about 284.6155357625.

The spelling of 23055567 in words is "twenty-three million, fifty-five thousand, five hundred sixty-seven".