1145403323 has 4 divisors (see below), whose sum is σ = 1148864088. Its totient is φ = 1141942560.

The previous prime is 1145403319. The next prime is 1145403349. The reversal of 1145403323 is 3233045411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1145403323 - 2² = 1145403319 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1145403292 and 1145403301.

It is not an unprimeable number, because it can be changed into a prime (1145403313) 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 in 3 ways as a sum of consecutive naturals, for example, 1729886 + ... + 1730547.

It is an arithmetic number, because the mean of its divisors is an integer number (287216022).

Almost surely, 2^1145403323 is an apocalyptic number.

1145403323 is a deficient number, since it is larger than the sum of its proper divisors (3460765).

1145403323 is an equidigital number, since it uses as much as digits as its factorization.

1145403323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460764.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1145403323 is about 33843.8077497199. The cubic root of 1145403323 is about 1046.2917788796.

Adding to 1145403323 its reverse (3233045411), we get a palindrome (4378448734).

The spelling of 1145403323 in words is "one billion, one hundred forty-five million, four hundred three thousand, three hundred twenty-three".