423403522 has 8 divisors (see below), whose sum is σ = 640106496. Its totient is φ = 210034692.

The previous prime is 423403517. The next prime is 423403531. The reversal of 423403522 is 225304324.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 833218 + ... + 833725.

It is an arithmetic number, because the mean of its divisors is an integer number (80013312).

Almost surely, 2^423403522 is an apocalyptic number.

423403522 is a deficient number, since it is larger than the sum of its proper divisors (216702974).

423403522 is a wasteful number, since it uses less digits than its factorization.

423403522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667072.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 423403522 is about 20576.7714182765. The cubic root of 423403522 is about 750.9046990688.

Adding to 423403522 its reverse (225304324), we get a palindrome (648707846).

The spelling of 423403522 in words is "four hundred twenty-three million, four hundred three thousand, five hundred twenty-two".