423550470 has 192 divisors, whose sum is σ = 1267577856. Its totient is φ = 88646400.

The previous prime is 423550409. The next prime is 423550471. The reversal of 423550470 is 74055324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423550471) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2804895 + ... + 2805045.

It is an arithmetic number, because the mean of its divisors is an integer number (6601968).

Almost surely, 2^423550470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423550470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633788928).

423550470 is an abundant number, since it is smaller than the sum of its proper divisors (844027386).

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

423550470 is a wasteful number, since it uses less digits than its factorization.

423550470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 423550470 is about 20580.3418338958. The cubic root of 423550470 is about 750.9915596128.

The spelling of 423550470 in words is "four hundred twenty-three million, five hundred fifty thousand, four hundred seventy".