2003423212 has 60 divisors (see below), whose sum is σ = 4108842920. Its totient is φ = 854679168.

The previous prime is 2003423203. The next prime is 2003423237. The reversal of 2003423212 is 2123243002.

It is a self number, because there is not a number n which added to its sum of digits gives 2003423212.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3236239 + ... + 3236857.

Almost surely, 2^2003423212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003423212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054421460).

2003423212 is an abundant number, since it is smaller than the sum of its proper divisors (2105419708).

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

2003423212 is an equidigital number, since it uses as much as digits as its factorization.

2003423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2003423212 is about 44759.6158607287. The cubic root of 2003423212 is about 1260.6394696430.

Adding to 2003423212 its reverse (2123243002), we get a palindrome (4126666214).

The spelling of 2003423212 in words is "two billion, three million, four hundred twenty-three thousand, two hundred twelve".