2011231242323 has 2 divisors, whose sum is σ = 2011231242324. Its totient is φ = 2011231242322.

The previous prime is 2011231242281. The next prime is 2011231242331. The reversal of 2011231242323 is 3232421321102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011231242323 - 2⁶ = 2011231242259 is a prime.

It is a super-4 number, since 4×2011231242323⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2011231242292 and 2011231242301.

It is not a weakly prime, because it can be changed into another prime (2011231242343) 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 as a sum of consecutive naturals, namely, 1005615621161 + 1005615621162.

It is an arithmetic number, because the mean of its divisors is an integer number (1005615621162).

Almost surely, 2^{2011231242323} is an apocalyptic number.

2011231242323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011231242323 is an equidigital number, since it uses as much as digits as its factorization.

2011231242323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2011231242323 its reverse (3232421321102), we get a palindrome (5243652563425).

The spelling of 2011231242323 in words is "two trillion, eleven billion, two hundred thirty-one million, two hundred forty-two thousand, three hundred twenty-three".