423322455 has 16 divisors (see below), whose sum is σ = 681375744. Its totient is φ = 224418720.

The previous prime is 423322381. The next prime is 423322469. The reversal of 423322455 is 554223324.

It is not a de Polignac number, because 423322455 - 2²³ = 414933847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81991 + ... + 87000.

It is an arithmetic number, because the mean of its divisors is an integer number (42585984).

Almost surely, 2^423322455 is an apocalyptic number.

423322455 is a deficient number, since it is larger than the sum of its proper divisors (258053289).

423322455 is a wasteful number, since it uses less digits than its factorization.

423322455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169166.

The product of its digits is 28800, while the sum is 30.

The square root of 423322455 is about 20574.8014571223. The cubic root of 423322455 is about 750.8567719941.

Adding to 423322455 its reverse (554223324), we get a palindrome (977545779).

The spelling of 423322455 in words is "four hundred twenty-three million, three hundred twenty-two thousand, four hundred fifty-five".