1145204323 has 2 divisors, whose sum is σ = 1145204324. Its totient is φ = 1145204322.

The previous prime is 1145204321. The next prime is 1145204327. The reversal of 1145204323 is 3234025411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145204323 - 2¹ = 1145204321 is a prime.

It is a super-2 number, since 2×1145204323² = 2622985882835776658, which contains 22 as substring.

Together with 1145204321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1145204321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572602161 + 572602162.

It is an arithmetic number, because the mean of its divisors is an integer number (572602162).

Almost surely, 2^1145204323 is an apocalyptic number.

1145204323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145204323 is an equidigital number, since it uses as much as digits as its factorization.

1145204323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1145204323 is about 33840.8676454963. The cubic root of 1145204323 is about 1046.2311818482.

Adding to 1145204323 its reverse (3234025411), we get a palindrome (4379229734).

The spelling of 1145204323 in words is "one billion, one hundred forty-five million, two hundred four thousand, three hundred twenty-three".