23255005 has 4 divisors (see below), whose sum is σ = 27906012. Its totient is φ = 18604000.

The previous prime is 23255003. The next prime is 23255009. The reversal of 23255005 is 50055232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4575321 + 18679684 = 2139^2 + 4322^2 .

It is not a de Polignac number, because 23255005 - 2¹ = 23255003 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23255003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325496 + ... + 2325505.

It is an arithmetic number, because the mean of its divisors is an integer number (6976503).

Almost surely, 2^23255005 is an apocalyptic number.

It is an amenable number.

23255005 is a deficient number, since it is larger than the sum of its proper divisors (4651007).

23255005 is an equidigital number, since it uses as much as digits as its factorization.

23255005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651006.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 23255005 is about 4822.3443468919. The cubic root of 23255005 is about 285.4338523996.

The spelling of 23255005 in words is "twenty-three million, two hundred fifty-five thousand, five".