423930770 has 8 divisors (see below), whose sum is σ = 763075404. Its totient is φ = 169572304.

The previous prime is 423930769. The next prime is 423930781. The reversal of 423930770 is 77039324.

It can be written as a sum of positive squares in 2 ways, for example, as 383493889 + 40436881 = 19583^2 + 6359^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423930770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21196529 + ... + 21196548.

Almost surely, 2^423930770 is an apocalyptic number.

423930770 is a deficient number, since it is larger than the sum of its proper divisors (339144634).

423930770 is a wasteful number, since it uses less digits than its factorization.

423930770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42393084.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 423930770 is about 20589.5791603423. The cubic root of 423930770 is about 751.2162606213.

The spelling of 423930770 in words is "four hundred twenty-three million, nine hundred thirty thousand, seven hundred seventy".