2011323153 has 8 divisors (see below), whose sum is σ = 3064873408. Its totient is φ = 1149327504.

The previous prime is 2011323143. The next prime is 2011323187. The reversal of 2011323153 is 3513231102.

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

It is not a de Polignac number, because 2011323153 - 2¹⁷ = 2011192081 is a prime.

It is a super-2 number, since 2×2011323153² = 8090841651587722818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 95777293 = 2011323153 / (2 + 0 + 1 + 1 + 3 + 2 + 3 + 1 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011323143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47888626 + ... + 47888667.

It is an arithmetic number, because the mean of its divisors is an integer number (383109176).

Almost surely, 2^2011323153 is an apocalyptic number.

It is an amenable number.

2011323153 is a deficient number, since it is larger than the sum of its proper divisors (1053550255).

2011323153 is an equidigital number, since it uses as much as digits as its factorization.

2011323153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95777303.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2011323153 is about 44847.7775703546. Note that the first 3 decimals coincide. The cubic root of 2011323153 is about 1262.2942898899.

Adding to 2011323153 its reverse (3513231102), we get a palindrome (5524554255).

The spelling of 2011323153 in words is "two billion, eleven million, three hundred twenty-three thousand, one hundred fifty-three".