1155150323 has 16 divisors (see below), whose sum is σ = 1285400160. Its totient is φ = 1033191936.

The previous prime is 1155150287. The next prime is 1155150331. The reversal of 1155150323 is 3230515511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1155150323 - 2¹⁴ = 1155133939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155150292 and 1155150301.

It is not an unprimeable number, because it can be changed into a prime (1155150343) 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, 5693 + ... + 48401.

It is an arithmetic number, because the mean of its divisors is an integer number (80337510).

Almost surely, 2^1155150323 is an apocalyptic number.

1155150323 is a deficient number, since it is larger than the sum of its proper divisors (130249837).

1155150323 is a wasteful number, since it uses less digits than its factorization.

1155150323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42806.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1155150323 is about 33987.5024531077. The cubic root of 1155150323 is about 1049.2512645547.

Adding to 1155150323 its reverse (3230515511), we get a palindrome (4385665834).

The spelling of 1155150323 in words is "one billion, one hundred fifty-five million, one hundred fifty thousand, three hundred twenty-three".