1154115323 has 2 divisors, whose sum is σ = 1154115324. Its totient is φ = 1154115322.

The previous prime is 1154115317. The next prime is 1154115331. The reversal of 1154115323 is 3235114511.

It is a weak prime.

It is an emirp because it is prime and its reverse (3235114511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154115323 - 2⁴ = 1154115307 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154115292 and 1154115301.

It is not a weakly prime, because it can be changed into another prime (1154115353) 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, 577057661 + 577057662.

It is an arithmetic number, because the mean of its divisors is an integer number (577057662).

Almost surely, 2^1154115323 is an apocalyptic number.

1154115323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154115323 is an equidigital number, since it uses as much as digits as its factorization.

1154115323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 1154115323 is about 33972.2728559630. The cubic root of 1154115323 is about 1048.9377989856.

Adding to 1154115323 its reverse (3235114511), we get a palindrome (4389229834).

The spelling of 1154115323 in words is "one billion, one hundred fifty-four million, one hundred fifteen thousand, three hundred twenty-three".