1145163323 has 4 divisors (see below), whose sum is σ = 1145683008. Its totient is φ = 1144643640.

The previous prime is 1145163301. The next prime is 1145163361. The reversal of 1145163323 is 3233615411.

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 1145163323 - 2⁶ = 1145163259 is a prime.

It is a super-2 number, since 2×1145163323² = 2622798072688804658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145165323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256523 + ... + 260948.

It is an arithmetic number, because the mean of its divisors is an integer number (286420752).

Almost surely, 2^1145163323 is an apocalyptic number.

1145163323 is a deficient number, since it is larger than the sum of its proper divisors (519685).

1145163323 is an equidigital number, since it uses as much as digits as its factorization.

1145163323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519684.

The product of its digits is 6480, while the sum is 29.

The square root of 1145163323 is about 33840.2618636440. The cubic root of 1145163323 is about 1046.2186961606.

Adding to 1145163323 its reverse (3233615411), we get a palindrome (4378778734).

The spelling of 1145163323 in words is "one billion, one hundred forty-five million, one hundred sixty-three thousand, three hundred twenty-three".