403423400253 has 16 divisors (see below), whose sum is σ = 538397798400. Its totient is φ = 268699055856.

The previous prime is 403423400227. The next prime is 403423400287. The reversal of 403423400253 is 352004324304.

It is not a de Polignac number, because 403423400253 - 2⁹ = 403423399741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403423400253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403423400353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29905276 + ... + 29918762.

It is an arithmetic number, because the mean of its divisors is an integer number (33649862400).

Almost surely, 2^403423400253 is an apocalyptic number.

It is an amenable number.

403423400253 is a deficient number, since it is larger than the sum of its proper divisors (134974398147).

403423400253 is a wasteful number, since it uses less digits than its factorization.

403423400253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 403423400253 its reverse (352004324304), we get a palindrome (755427724557).

The spelling of 403423400253 in words is "four hundred three billion, four hundred twenty-three million, four hundred thousand, two hundred fifty-three".