423453030 has 256 divisors, whose sum is σ = 1393459200. Its totient is φ = 79511040.

The previous prime is 423453013. The next prime is 423453031. The reversal of 423453030 is 30354324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423453031) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1771651 + ... + 1771889.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^423453030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423453030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696729600).

423453030 is an abundant number, since it is smaller than the sum of its proper divisors (970006170).

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

423453030 is a wasteful number, since it uses less digits than its factorization.

423453030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 423453030 is about 20577.9743901094. The cubic root of 423453030 is about 750.9339653511.

The spelling of 423453030 in words is "four hundred twenty-three million, four hundred fifty-three thousand, thirty".