423230064 has 20 divisors (see below), whose sum is σ = 1093344456. Its totient is φ = 141076672.

The previous prime is 423230063. The next prime is 423230131. The reversal of 423230064 is 460032324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423230063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4408599 + ... + 4408694.

Almost surely, 2^423230064 is an apocalyptic number.

It is an amenable number.

423230064 is an abundant number, since it is smaller than the sum of its proper divisors (670114392).

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

423230064 is a wasteful number, since it uses less digits than its factorization.

423230064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8817304 (or 8817298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423230064 is about 20572.5560881481. The cubic root of 423230064 is about 750.8021426725.

Adding to 423230064 its reverse (460032324), we get a palindrome (883262388).

The spelling of 423230064 in words is "four hundred twenty-three million, two hundred thirty thousand, sixty-four".