1155612323 has 2 divisors, whose sum is σ = 1155612324. Its totient is φ = 1155612322.

The previous prime is 1155612317. The next prime is 1155612377. The reversal of 1155612323 is 3232165511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155612323 - 2⁴ = 1155612307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155615323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577806161 + 577806162.

It is an arithmetic number, because the mean of its divisors is an integer number (577806162).

Almost surely, 2^1155612323 is an apocalyptic number.

1155612323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155612323 is an equidigital number, since it uses as much as digits as its factorization.

1155612323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 1155612323 is about 33994.2983895829. The cubic root of 1155612323 is about 1049.3911278734.

Adding to 1155612323 its reverse (3232165511), we get a palindrome (4387777834).

The spelling of 1155612323 in words is "one billion, one hundred fifty-five million, six hundred twelve thousand, three hundred twenty-three".