2011323023204 has 108 divisors (see below), whose sum is σ = 4205447314992. Its totient is φ = 840445858560.

The previous prime is 2011323023201. The next prime is 2011323023243. The reversal of 2011323023204 is 4023203231102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011323023204.

It is not an unprimeable number, because it can be changed into a prime (2011323023201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5847467 + ... + 6181869.

Almost surely, 2^{2011323023204} is an apocalyptic number.

It is an amenable number.

2011323023204 is an abundant number, since it is smaller than the sum of its proper divisors (2194124291788).

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

2011323023204 is a wasteful number, since it uses less digits than its factorization.

2011323023204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334506 (or 334476 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2011323023204 its reverse (4023203231102), we get a palindrome (6034526254306).

The spelling of 2011323023204 in words is "two trillion, eleven billion, three hundred twenty-three million, twenty-three thousand, two hundred four".