1135840723 has 2 divisors, whose sum is σ = 1135840724. Its totient is φ = 1135840722.

The previous prime is 1135840649. The next prime is 1135840757. The reversal of 1135840723 is 3270485311.

It is an a-pointer prime, because the next prime (1135840757) can be obtained adding 1135840723 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135840723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1135940723) 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 as a sum of consecutive naturals, namely, 567920361 + 567920362.

It is an arithmetic number, because the mean of its divisors is an integer number (567920362).

Almost surely, 2^1135840723 is an apocalyptic number.

1135840723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135840723 is an equidigital number, since it uses as much as digits as its factorization.

1135840723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1135840723 is about 33702.2361720999. The cubic root of 1135840723 is about 1043.3719214486.

The spelling of 1135840723 in words is "one billion, one hundred thirty-five million, eight hundred forty thousand, seven hundred twenty-three".