423978034 has 8 divisors (see below), whose sum is σ = 641595420. Its totient is φ = 210112896.

The previous prime is 423978001. The next prime is 423978043. The reversal of 423978034 is 430879324.

It can be written as a sum of positive squares in 2 ways, for example, as 241647025 + 182331009 = 15545^2 + 13503^2 .

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, 937779 + ... + 938230.

Almost surely, 2^423978034 is an apocalyptic number.

423978034 is a deficient number, since it is larger than the sum of its proper divisors (217617386).

423978034 is a wasteful number, since it uses less digits than its factorization.

423978034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876124.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 423978034 is about 20590.7268934343. The cubic root of 423978034 is about 751.2441772597.

The spelling of 423978034 in words is "four hundred twenty-three million, nine hundred seventy-eight thousand, thirty-four".