423332442 has 24 divisors (see below), whose sum is σ = 987776244. Its totient is φ = 130256064.

The previous prime is 423332417. The next prime is 423332461. The reversal of 423332442 is 244233324.

It can be written as a sum of positive squares in 2 ways, for example, as 381069441 + 42263001 = 19521^2 + 6501^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904323 + ... + 904790.

Almost surely, 2^423332442 is an apocalyptic number.

423332442 is an abundant number, since it is smaller than the sum of its proper divisors (564443802).

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

423332442 is a wasteful number, since it uses less digits than its factorization.

423332442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809134 (or 1809131 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 423332442 is about 20575.0441554812. The cubic root of 423332442 is about 750.8626766715.

Adding to 423332442 its reverse (244233324), we get a palindrome (667565766).

The spelling of 423332442 in words is "four hundred twenty-three million, three hundred thirty-two thousand, four hundred forty-two".