423442942 has 8 divisors (see below), whose sum is σ = 684023256. Its totient is φ = 195435192.

The previous prime is 423442939. The next prime is 423442961. The reversal of 423442942 is 249244324.

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 = 423442898 and 423442907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8143108 + ... + 8143159.

It is an arithmetic number, because the mean of its divisors is an integer number (85502907).

Almost surely, 2^423442942 is an apocalyptic number.

423442942 is a deficient number, since it is larger than the sum of its proper divisors (260580314).

423442942 is a wasteful number, since it uses less digits than its factorization.

423442942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286282.

The product of its digits is 55296, while the sum is 34.

The square root of 423442942 is about 20577.7292722011. The cubic root of 423442942 is about 750.9280020907.

The spelling of 423442942 in words is "four hundred twenty-three million, four hundred forty-two thousand, nine hundred forty-two".