423378426 has 8 divisors (see below), whose sum is σ = 846756864. Its totient is φ = 141126140.

The previous prime is 423378419. The next prime is 423378433. The reversal of 423378426 is 624873324.

It is an interprime number because it is at equal distance from previous prime (423378419) and next prime (423378433).

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

423378426 is an admirable number.

It is a Curzon number.

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, 35281530 + ... + 35281541.

It is an arithmetic number, because the mean of its divisors is an integer number (105844608).

Almost surely, 2^423378426 is an apocalyptic number.

423378426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423378426 is a wasteful number, since it uses less digits than its factorization.

423378426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70563076.

The product of its digits is 193536, while the sum is 39.

The square root of 423378426 is about 20576.1615953997. The cubic root of 423378426 is about 750.8898628856.

The spelling of 423378426 in words is "four hundred twenty-three million, three hundred seventy-eight thousand, four hundred twenty-six".