551300423 has 4 divisors (see below), whose sum is σ = 551527080. Its totient is φ = 551073768.

The previous prime is 551300417. The next prime is 551300437. The reversal of 551300423 is 324003155.

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 551300423 - 2²⁰ = 550251847 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 (551300413) 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, 109640 + ... + 114557.

It is an arithmetic number, because the mean of its divisors is an integer number (137881770).

Almost surely, 2^551300423 is an apocalyptic number.

551300423 is a deficient number, since it is larger than the sum of its proper divisors (226657).

551300423 is a wasteful number, since it uses less digits than its factorization.

551300423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226656.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 551300423 is about 23479.7875416282. The cubic root of 551300423 is about 819.9664982347.

Adding to 551300423 its reverse (324003155), we get a palindrome (875303578).

The spelling of 551300423 in words is "five hundred fifty-one million, three hundred thousand, four hundred twenty-three".