2011533423 has 8 divisors (see below), whose sum is σ = 2689236528. Its totient is φ = 1337426304.

The previous prime is 2011533389. The next prime is 2011533451. The reversal of 2011533423 is 3243351102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011533423 - 2²⁵ = 1977978991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011533393 and 2011533402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011533463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897690 + ... + 899927.

It is an arithmetic number, because the mean of its divisors is an integer number (336154566).

Almost surely, 2^2011533423 is an apocalyptic number.

2011533423 is a deficient number, since it is larger than the sum of its proper divisors (677703105).

2011533423 is a wasteful number, since it uses less digits than its factorization.

2011533423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797993.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2011533423 is about 44850.1217724099. The cubic root of 2011533423 is about 1262.3382764187.

Adding to 2011533423 its reverse (3243351102), we get a palindrome (5254884525).

The spelling of 2011533423 in words is "two billion, eleven million, five hundred thirty-three thousand, four hundred twenty-three".