423426340 has 48 divisors (see below), whose sum is σ = 907676784. Its totient is φ = 165888000.

The previous prime is 423426319. The next prime is 423426347. The reversal of 423426340 is 43624324.

It can be written as a sum of positive squares in 8 ways, for example, as 28132416 + 395293924 = 5304^2 + 19882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423426299 and 423426308.

It is not an unprimeable number, because it can be changed into a prime (423426347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194860 + ... + 197020.

It is an arithmetic number, because the mean of its divisors is an integer number (18909933).

Almost surely, 2^423426340 is an apocalyptic number.

It is an amenable number.

423426340 is an abundant number, since it is smaller than the sum of its proper divisors (484250444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423426340 is a wasteful number, since it uses less digits than its factorization.

423426340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 423426340 is about 20577.3258709678. The cubic root of 423426340 is about 750.9181880415.

The spelling of 423426340 in words is "four hundred twenty-three million, four hundred twenty-six thousand, three hundred forty".