455012423 has 4 divisors (see below), whose sum is σ = 455055720. Its totient is φ = 454969128.

The previous prime is 455012417. The next prime is 455012447. The reversal of 455012423 is 324210554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 324210554 = 2 ⋅162105277.

It is a cyclic number.

It is not a de Polignac number, because 455012423 - 2⁸ = 455012167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455012392 and 455012401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455012413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5288 + ... + 30626.

It is an arithmetic number, because the mean of its divisors is an integer number (113763930).

Almost surely, 2^455012423 is an apocalyptic number.

455012423 is a deficient number, since it is larger than the sum of its proper divisors (43297).

455012423 is a wasteful number, since it uses less digits than its factorization.

455012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43296.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 455012423 is about 21331.0202053254. The cubic root of 455012423 is about 769.1441680278.

Adding to 455012423 its reverse (324210554), we get a palindrome (779222977).

The spelling of 455012423 in words is "four hundred fifty-five million, twelve thousand, four hundred twenty-three".