1133681723 has 2 divisors, whose sum is σ = 1133681724. Its totient is φ = 1133681722.

The previous prime is 1133681663. The next prime is 1133681803. The reversal of 1133681723 is 3271863311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133681723 - 2¹⁸ = 1133419579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133681123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566840861 + 566840862.

It is an arithmetic number, because the mean of its divisors is an integer number (566840862).

Almost surely, 2^1133681723 is an apocalyptic number.

1133681723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133681723 is an equidigital number, since it uses as much as digits as its factorization.

1133681723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 1133681723 is about 33670.1904212020. The cubic root of 1133681723 is about 1042.7104235494.

The spelling of 1133681723 in words is "one billion, one hundred thirty-three million, six hundred eighty-one thousand, seven hundred twenty-three".