423420332 has 12 divisors (see below), whose sum is σ = 741891696. Its totient is φ = 211451280.

The previous prime is 423420281. The next prime is 423420353. The reversal of 423420332 is 233024324.

It is a junction number, because it is equal to n+sod(n) for n = 423420298 and 423420307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61019 + ... + 67602.

It is an arithmetic number, because the mean of its divisors is an integer number (61824308).

Almost surely, 2^423420332 is an apocalyptic number.

It is an amenable number.

423420332 is a deficient number, since it is larger than the sum of its proper divisors (318471364).

423420332 is a wasteful number, since it uses less digits than its factorization.

423420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129448 (or 129446 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 423420332 is about 20577.1798845226. The cubic root of 423420332 is about 750.9146364298.

Adding to 423420332 its reverse (233024324), we get a palindrome (656444656).

The spelling of 423420332 in words is "four hundred twenty-three million, four hundred twenty thousand, three hundred thirty-two".