423040662 has 96 divisors (see below), whose sum is σ = 1061424000. Its totient is φ = 120424320.

The previous prime is 423040637. The next prime is 423040669. The reversal of 423040662 is 266040324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522514 + ... + 523322.

It is an arithmetic number, because the mean of its divisors is an integer number (11056500).

Almost surely, 2^423040662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423040662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530712000).

423040662 is an abundant number, since it is smaller than the sum of its proper divisors (638383338).

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

423040662 is a wasteful number, since it uses less digits than its factorization.

423040662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 983 counting only the distinct ones).

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

The square root of 423040662 is about 20567.9523044955. The cubic root of 423040662 is about 750.6901274374.

Adding to 423040662 its reverse (266040324), we get a palindrome (689080986).

The spelling of 423040662 in words is "four hundred twenty-three million, forty thousand, six hundred sixty-two".