254403550223 has 4 divisors (see below), whose sum is σ = 269368464960. Its totient is φ = 239438635488.

The previous prime is 254403550201. The next prime is 254403550249. The reversal of 254403550223 is 322055304452.

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

It is a cyclic number.

It is not a de Polignac number, because 254403550223 - 2²⁴ = 254386773007 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 (254403550253) 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, 7482457343 + ... + 7482457376.

It is an arithmetic number, because the mean of its divisors is an integer number (67342116240).

Almost surely, 2^254403550223 is an apocalyptic number.

254403550223 is a deficient number, since it is larger than the sum of its proper divisors (14964914737).

254403550223 is a wasteful number, since it uses less digits than its factorization.

254403550223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964914736.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 254403550223 its reverse (322055304452), we get a palindrome (576458854675).

The spelling of 254403550223 in words is "two hundred fifty-four billion, four hundred three million, five hundred fifty thousand, two hundred twenty-three".