1155946323 has 16 divisors (see below), whose sum is σ = 1762008320. Its totient is φ = 660328416.

The previous prime is 1155946307. The next prime is 1155946327. The reversal of 1155946323 is 3236495511.

It is not a de Polignac number, because 1155946323 - 2⁴ = 1155946307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155946327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77733 + ... + 91401.

It is an arithmetic number, because the mean of its divisors is an integer number (110125520).

Almost surely, 2^1155946323 is an apocalyptic number.

1155946323 is a deficient number, since it is larger than the sum of its proper divisors (606061997).

1155946323 is a wasteful number, since it uses less digits than its factorization.

1155946323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706.

The product of its digits is 97200, while the sum is 39.

The square root of 1155946323 is about 33999.2106231895. The cubic root of 1155946323 is about 1049.4922179673.

The spelling of 1155946323 in words is "one billion, one hundred fifty-five million, nine hundred forty-six thousand, three hundred twenty-three".