423809259122 has 18 divisors (see below), whose sum is σ = 638024355693. Its totient is φ = 211137257784.

The previous prime is 423809259119. The next prime is 423809259143. The reversal of 423809259122 is 221952908324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 399172503601 + 24636755521 = 631801^2 + 156961^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=460331.

It is a super-2 number, since 2×423809259122² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 321310379 + ... + 321311697.

Almost surely, 2^423809259122 is an apocalyptic number.

423809259122 is a deficient number, since it is larger than the sum of its proper divisors (214215096571).

423809259122 is an frugal number, since it uses more digits than its factorization.

423809259122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 423809259122 in words is "four hundred twenty-three billion, eight hundred nine million, two hundred fifty-nine thousand, one hundred twenty-two".