253823571403 has 8 divisors (see below), whose sum is σ = 267187334720. Its totient is φ = 240460270920.

The previous prime is 253823571359. The next prime is 253823571413. The reversal of 253823571403 is 304175328352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253823571403 - 2³⁷ = 116384617931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253823571403.

It is not an unprimeable number, because it can be changed into a prime (253823571413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038876 + ... + 2159782.

It is an arithmetic number, because the mean of its divisors is an integer number (33398416840).

Almost surely, 2^253823571403 is an apocalyptic number.

253823571403 is a deficient number, since it is larger than the sum of its proper divisors (13363763317).

253823571403 is a wasteful number, since it uses less digits than its factorization.

253823571403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231417.

The product of its (nonzero) digits is 604800, while the sum is 43.

Adding to 253823571403 its reverse (304175328352), we get a palindrome (557998899755).

The spelling of 253823571403 in words is "two hundred fifty-three billion, eight hundred twenty-three million, five hundred seventy-one thousand, four hundred three".