1002423006 has 128 divisors (see below), whose sum is σ = 2514247680. Its totient is φ = 293932800.

The previous prime is 1002422989. The next prime is 1002423017. The reversal of 1002423006 is 6003242001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002423006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1588311 + ... + 1588941.

It is an arithmetic number, because the mean of its divisors is an integer number (19642560).

Almost surely, 2^1002423006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002423006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257123840).

1002423006 is an abundant number, since it is smaller than the sum of its proper divisors (1511824674).

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

1002423006 is a wasteful number, since it uses less digits than its factorization.

1002423006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1002423006 is about 31661.0645114784. The cubic root of 1002423006 is about 1000.8070172147.

Adding to 1002423006 its reverse (6003242001), we get a palindrome (7005665007).

The spelling of 1002423006 in words is "one billion, two million, four hundred twenty-three thousand, six".