2231133823 has 2 divisors, whose sum is σ = 2231133824. Its totient is φ = 2231133822.

The previous prime is 2231133797. The next prime is 2231133857. The reversal of 2231133823 is 3283311322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231133823 - 2²¹ = 2229036671 is a prime.

It is a super-3 number, since 3×2231133823³ (a number of 29 digits) contains 333 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 = 2231133791 and 2231133800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231133893) 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, 1115566911 + 1115566912.

It is an arithmetic number, because the mean of its divisors is an integer number (1115566912).

Almost surely, 2^2231133823 is an apocalyptic number.

2231133823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231133823 is an equidigital number, since it uses as much as digits as its factorization.

2231133823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 2231133823 is about 47234.8793054455. The cubic root of 2231133823 is about 1306.6979406547.

The spelling of 2231133823 in words is "two billion, two hundred thirty-one million, one hundred thirty-three thousand, eight hundred twenty-three".