423214402 has 16 divisors (see below), whose sum is σ = 691339320. Its totient is φ = 193133952.

The previous prime is 423214391. The next prime is 423214483. The reversal of 423214402 is 204412324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205091041 + 218123361 = 14321^2 + 14769^2 .

It is a super-2 number, since 2×423214402² = 358220860120435208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89133 + ... + 93760.

Almost surely, 2^423214402 is an apocalyptic number.

423214402 is a deficient number, since it is larger than the sum of its proper divisors (268124918).

423214402 is a wasteful number, since it uses less digits than its factorization.

423214402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182997.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 423214402 is about 20572.1754318789. The cubic root of 423214402 is about 750.7928811942.

Adding to 423214402 its reverse (204412324), we get a palindrome (627626726).

The spelling of 423214402 in words is "four hundred twenty-three million, two hundred fourteen thousand, four hundred two".