23004555 has 16 divisors (see below), whose sum is σ = 42065664. Its totient is φ = 10516320.

The previous prime is 23004551. The next prime is 23004571. The reversal of 23004555 is 55540032.

It is not a de Polignac number, because 23004555 - 2² = 23004551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23004551) 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 15 ways as a sum of consecutive naturals, for example, 109441 + ... + 109650.

It is an arithmetic number, because the mean of its divisors is an integer number (2629104).

Almost surely, 2^23004555 is an apocalyptic number.

23004555 is a deficient number, since it is larger than the sum of its proper divisors (19061109).

23004555 is a wasteful number, since it uses less digits than its factorization.

23004555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219106.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 23004555 is about 4796.3063913808. The cubic root of 23004555 is about 284.4054703896.

Adding to 23004555 its reverse (55540032), we get a palindrome (78544587).

The spelling of 23004555 in words is "twenty-three million, four thousand, five hundred fifty-five".