423246642 has 48 divisors (see below), whose sum is σ = 1047579840. Its totient is φ = 111623616.

The previous prime is 423246623. The next prime is 423246653. The reversal of 423246642 is 246642324.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22717 + ... + 36912.

It is an arithmetic number, because the mean of its divisors is an integer number (21824580).

Almost surely, 2^423246642 is an apocalyptic number.

423246642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423246642 is an abundant number, since it is smaller than the sum of its proper divisors (624333198).

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

423246642 is a wasteful number, since it uses less digits than its factorization.

423246642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59667 (or 59654 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

The square root of 423246642 is about 20572.9589996189. The cubic root of 423246642 is about 750.8119455642.

Adding to 423246642 its reverse (246642324), we get a palindrome (669888966).

The spelling of 423246642 in words is "four hundred twenty-three million, two hundred forty-six thousand, six hundred forty-two".