423413406 has 112 divisors (see below), whose sum is σ = 1041148080. Its totient is φ = 128304000.

The previous prime is 423413387. The next prime is 423413429. The reversal of 423413406 is 604314324.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 423413406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1686781 + ... + 1687031.

It is an arithmetic number, because the mean of its divisors is an integer number (9295965).

Almost surely, 2^423413406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423413406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520574040).

423413406 is an abundant number, since it is smaller than the sum of its proper divisors (617734674).

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

423413406 is a wasteful number, since it uses less digits than its factorization.

423413406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 423413406 is about 20577.0115906076. The cubic root of 423413406 is about 750.9105421034.

The spelling of 423413406 in words is "four hundred twenty-three million, four hundred thirteen thousand, four hundred six".