423892442 has 8 divisors (see below), whose sum is σ = 635943636. Its totient is φ = 211911232.

The previous prime is 423892439. The next prime is 423892453. The reversal of 423892442 is 244298324.

It can be written as a sum of positive squares in 2 ways, for example, as 376709281 + 47183161 = 19409^2 + 6869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 423892396 and 423892405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988 + ... + 29184.

Almost surely, 2^423892442 is an apocalyptic number.

423892442 is a deficient number, since it is larger than the sum of its proper divisors (212051194).

423892442 is a wasteful number, since it uses less digits than its factorization.

423892442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34992.

The product of its digits is 110592, while the sum is 38.

The square root of 423892442 is about 20588.6483772005. The cubic root of 423892442 is about 751.1936205374.

The spelling of 423892442 in words is "four hundred twenty-three million, eight hundred ninety-two thousand, four hundred forty-two".