23047055 has 4 divisors (see below), whose sum is σ = 27656472. Its totient is φ = 18437640.

The previous prime is 23047039. The next prime is 23047067. The reversal of 23047055 is 55074032.

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

It is not a de Polignac number, because 23047055 - 2⁴ = 23047039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2304701 + ... + 2304710.

It is an arithmetic number, because the mean of its divisors is an integer number (6914118).

Almost surely, 2^23047055 is an apocalyptic number.

23047055 is a deficient number, since it is larger than the sum of its proper divisors (4609417).

23047055 is an equidigital number, since it uses as much as digits as its factorization.

23047055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609416.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23047055 is about 4800.7348395845. The cubic root of 23047055 is about 284.5805052404.

The spelling of 23047055 in words is "twenty-three million, forty-seven thousand, fifty-five".