123443225253 has 12 divisors (see below), whose sum is σ = 179487723168. Its totient is φ = 81750479400.

The previous prime is 123443225239. The next prime is 123443225261. The reversal of 123443225253 is 352522344321.

123443225253 is a `hidden beast` number, since 1 + 234 + 4 + 322 + 52 + 53 = 666.

It is not a de Polignac number, because 123443225253 - 2⁴ = 123443225237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123443225203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45415575 + ... + 45418292.

It is an arithmetic number, because the mean of its divisors is an integer number (14957310264).

Almost surely, 2^123443225253 is an apocalyptic number.

It is an amenable number.

123443225253 is a deficient number, since it is larger than the sum of its proper divisors (56044497915).

123443225253 is a wasteful number, since it uses less digits than its factorization.

123443225253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90834024 (or 90834021 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 123443225253 its reverse (352522344321), we get a palindrome (475965569574).

The spelling of 123443225253 in words is "one hundred twenty-three billion, four hundred forty-three million, two hundred twenty-five thousand, two hundred fifty-three".