423122553 has 24 divisors (see below), whose sum is σ = 701171328. Its totient is φ = 240855552.

The previous prime is 423122521. The next prime is 423122561. The reversal of 423122553 is 355221324.

It is a happy number.

It is not a de Polignac number, because 423122553 - 2⁵ = 423122521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423122573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3801 + ... + 29337.

It is an arithmetic number, because the mean of its divisors is an integer number (29215472).

Almost surely, 2^423122553 is an apocalyptic number.

It is an amenable number.

423122553 is a deficient number, since it is larger than the sum of its proper divisors (278048775).

423122553 is a wasteful number, since it uses less digits than its factorization.

423122553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813 (or 25810 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 423122553 is about 20569.9429508203. The cubic root of 423122553 is about 750.7385631273.

Adding to 423122553 its reverse (355221324), we get a palindrome (778343877).

The spelling of 423122553 in words is "four hundred twenty-three million, one hundred twenty-two thousand, five hundred fifty-three".