2011453423020 has 36 divisors (see below), whose sum is σ = 6101408717040. Its totient is φ = 536387579424.

The previous prime is 2011453423009. The next prime is 2011453423043. The reversal of 2011453423020 is 203243541102.

2011453423020 is a `hidden beast` number, since 2 + 0 + 1 + 14 + 5 + 342 + 302 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5587370440 + ... + 5587370799.

Almost surely, 2^{2011453423020} is an apocalyptic number.

2011453423020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011453423020 is an abundant number, since it is smaller than the sum of its proper divisors (4089955294020).

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

2011453423020 is a wasteful number, since it uses less digits than its factorization.

2011453423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174741254 (or 11174741249 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 2011453423020 its reverse (203243541102), we get a palindrome (2214696964122).

The spelling of 2011453423020 in words is "two trillion, eleven billion, four hundred fifty-three million, four hundred twenty-three thousand, twenty".