1145055323 has 2 divisors, whose sum is σ = 1145055324. Its totient is φ = 1145055322.

The previous prime is 1145055319. The next prime is 1145055397. The reversal of 1145055323 is 3235505411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3235505411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145055323 - 2² = 1145055319 is a prime.

It is a super-2 number, since 2×1145055323² = 2622303385461268658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145055823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572527661 + 572527662.

It is an arithmetic number, because the mean of its divisors is an integer number (572527662).

Almost surely, 2^1145055323 is an apocalyptic number.

1145055323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145055323 is an equidigital number, since it uses as much as digits as its factorization.

1145055323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1145055323 is about 33838.6660936864. Note that the first 3 decimals coincide. The cubic root of 1145055323 is about 1046.1858056057.

The spelling of 1145055323 in words is "one billion, one hundred forty-five million, fifty-five thousand, three hundred twenty-three".