423501322 has 4 divisors (see below), whose sum is σ = 635251986. Its totient is φ = 211750660.

The previous prime is 423501319. The next prime is 423501343. The reversal of 423501322 is 223105324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 265722601 + 157778721 = 16301^2 + 12561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423501293 and 423501302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105875329 + ... + 105875332.

Almost surely, 2^423501322 is an apocalyptic number.

423501322 is a deficient number, since it is larger than the sum of its proper divisors (211750664).

423501322 is a wasteful number, since it uses less digits than its factorization.

423501322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211750663.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 423501322 is about 20579.1477471736. The cubic root of 423501322 is about 750.9625106064.

Adding to 423501322 its reverse (223105324), we get a palindrome (646606646).

The spelling of 423501322 in words is "four hundred twenty-three million, five hundred one thousand, three hundred twenty-two".