423146064 has 80 divisors (see below), whose sum is σ = 1215082944. Its totient is φ = 125798400.

The previous prime is 423146039. The next prime is 423146077. The reversal of 423146064 is 460641324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20424 + ... + 35544.

Almost surely, 2^423146064 is an apocalyptic number.

423146064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423146064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607541472).

423146064 is an abundant number, since it is smaller than the sum of its proper divisors (791936880).

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

423146064 is a wasteful number, since it uses less digits than its factorization.

423146064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15196 (or 15190 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 423146064 is about 20570.5144320700. The cubic root of 423146064 is about 750.7524679147.

Adding to 423146064 its reverse (460641324), we get a palindrome (883787388).

The spelling of 423146064 in words is "four hundred twenty-three million, one hundred forty-six thousand, sixty-four".