423222453405 has 36 divisors (see below), whose sum is σ = 766867394748. Its totient is φ = 215904775680.

The previous prime is 423222453371. The next prime is 423222453431. The reversal of 423222453405 is 504354222324.

423222453405 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 2 + 245 + 3 + 405 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 125636929209 + 297585524196 = 354453^2 + 545514^2 .

It is not a de Polignac number, because 423222453405 - 2⁸ = 423222453149 is a prime.

It is a super-2 number, since 2×423222453405² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423222453405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8865556 + ... + 8913165.

Almost surely, 2^423222453405 is an apocalyptic number.

423222453405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423222453405 is a deficient number, since it is larger than the sum of its proper divisors (343644941343).

423222453405 is a wasteful number, since it uses less digits than its factorization.

423222453405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778778 (or 17778752 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 423222453405 its reverse (504354222324), we get a palindrome (927576675729).

The spelling of 423222453405 in words is "four hundred twenty-three billion, two hundred twenty-two million, four hundred fifty-three thousand, four hundred five".