453123112423 has 4 divisors (see below), whose sum is σ = 454421459800. Its totient is φ = 451824765048.

The previous prime is 453123112369. The next prime is 453123112451. The reversal of 453123112423 is 324211321354.

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 453123112423 - 2³³ = 444533177831 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 (453123116423) 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 3 ways as a sum of consecutive naturals, for example, 649173165 + ... + 649173862.

It is an arithmetic number, because the mean of its divisors is an integer number (113605364950).

Almost surely, 2^453123112423 is an apocalyptic number.

453123112423 is a deficient number, since it is larger than the sum of its proper divisors (1298347377).

453123112423 is a wasteful number, since it uses less digits than its factorization.

453123112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298347376.

The product of its digits is 17280, while the sum is 31.

Adding to 453123112423 its reverse (324211321354), we get a palindrome (777334433777).

The spelling of 453123112423 in words is "four hundred fifty-three billion, one hundred twenty-three million, one hundred twelve thousand, four hundred twenty-three".