423372942 has 12 divisors (see below), whose sum is σ = 917308080. Its totient is φ = 141124308.

The previous prime is 423372931. The next prime is 423372973. The reversal of 423372942 is 249273324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423372897 and 423372906.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 11760342 + ... + 11760377.

It is an arithmetic number, because the mean of its divisors is an integer number (76442340).

Almost surely, 2^423372942 is an apocalyptic number.

423372942 is an abundant number, since it is smaller than the sum of its proper divisors (493935138).

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

423372942 is a wasteful number, since it uses less digits than its factorization.

423372942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23520727 (or 23520724 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 423372942 is about 20576.0283339618. The cubic root of 423372942 is about 750.8866207917.

The spelling of 423372942 in words is "four hundred twenty-three million, three hundred seventy-two thousand, nine hundred forty-two".