1145523323 has 12 divisors (see below), whose sum is σ = 1336520952. Its totient is φ = 978949440.

The previous prime is 1145523317. The next prime is 1145523341. The reversal of 1145523323 is 3233255411.

It is a happy number.

It is not a de Polignac number, because 1145523323 - 2⁶ = 1145523259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145523823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18173 + ... + 51198.

It is an arithmetic number, because the mean of its divisors is an integer number (111376746).

Almost surely, 2^1145523323 is an apocalyptic number.

1145523323 is a deficient number, since it is larger than the sum of its proper divisors (190997629).

1145523323 is an equidigital number, since it uses as much as digits as its factorization.

1145523323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69722 (or 69715 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 1145523323 is about 33845.5805534489. The cubic root of 1145523323 is about 1046.3283164108.

Adding to 1145523323 its reverse (3233255411), we get a palindrome (4378778734).

The spelling of 1145523323 in words is "one billion, one hundred forty-five million, five hundred twenty-three thousand, three hundred twenty-three".