1150331423 has 4 divisors (see below), whose sum is σ = 1150399488. Its totient is φ = 1150263360.

The previous prime is 1150331419. The next prime is 1150331431. The reversal of 1150331423 is 3241330511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3241330511 = 131 ⋅24742981.

It is a cyclic number.

It is not a de Polignac number, because 1150331423 - 2² = 1150331419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150331123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12815 + ... + 49647.

It is an arithmetic number, because the mean of its divisors is an integer number (287599872).

Almost surely, 2^1150331423 is an apocalyptic number.

1150331423 is a deficient number, since it is larger than the sum of its proper divisors (68065).

1150331423 is an equidigital number, since it uses as much as digits as its factorization.

1150331423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68064.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1150331423 is about 33916.5361291509. The cubic root of 1150331423 is about 1047.7901894220.

Adding to 1150331423 its reverse (3241330511), we get a palindrome (4391661934).

The spelling of 1150331423 in words is "one billion, one hundred fifty million, three hundred thirty-one thousand, four hundred twenty-three".