23026555 has 4 divisors (see below), whose sum is σ = 27631872. Its totient is φ = 18421240.

The previous prime is 23026529. The next prime is 23026559. The reversal of 23026555 is 55562032.

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

It is not a de Polignac number, because 23026555 - 2¹³ = 23018363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23026559) 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, 2302651 + ... + 2302660.

It is an arithmetic number, because the mean of its divisors is an integer number (6907968).

Almost surely, 2^23026555 is an apocalyptic number.

23026555 is a deficient number, since it is larger than the sum of its proper divisors (4605317).

23026555 is an equidigital number, since it uses as much as digits as its factorization.

23026555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605316.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 23026555 is about 4798.5992747884. The cubic root of 23026555 is about 284.4961035539.

Adding to 23026555 its reverse (55562032), we get a palindrome (78588587).

The spelling of 23026555 in words is "twenty-three million, twenty-six thousand, five hundred fifty-five".