423718402 has 8 divisors (see below), whose sum is σ = 635861196. Its totient is φ = 211764672.

The previous prime is 423718381. The next prime is 423718417. The reversal of 423718402 is 204817324.

It can be written as a sum of positive squares in 2 ways, for example, as 405579321 + 18139081 = 20139^2 + 4259^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41523 + ... + 50710.

Almost surely, 2^423718402 is an apocalyptic number.

423718402 is a deficient number, since it is larger than the sum of its proper divisors (212142794).

423718402 is a wasteful number, since it uses less digits than its factorization.

423718402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94532.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 423718402 is about 20584.4213423647. The cubic root of 423718402 is about 751.0907991442.

The spelling of 423718402 in words is "four hundred twenty-three million, seven hundred eighteen thousand, four hundred two".