23145055 has 8 divisors (see below), whose sum is σ = 27894672. Its totient is φ = 18435648.

The previous prime is 23145053. The next prime is 23145071. The reversal of 23145055 is 55054132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23145055 - 2¹ = 23145053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8769 + ... + 11098.

It is an arithmetic number, because the mean of its divisors is an integer number (3486834).

Almost surely, 2^23145055 is an apocalyptic number.

23145055 is a deficient number, since it is larger than the sum of its proper divisors (4749617).

23145055 is a wasteful number, since it uses less digits than its factorization.

23145055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 23145055 is about 4810.9307831229. The cubic root of 23145055 is about 284.9832964459.

Adding to 23145055 its reverse (55054132), we get a palindrome (78199187).

The spelling of 23145055 in words is "twenty-three million, one hundred forty-five thousand, fifty-five".