1140311323 has 8 divisors (see below), whose sum is σ = 1147970880. Its totient is φ = 1132677000.

The previous prime is 1140311317. The next prime is 1140311327. The reversal of 1140311323 is 3231130411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140311323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140311323.

It is not an unprimeable number, because it can be changed into a prime (1140311327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89136 + ... + 101122.

It is an arithmetic number, because the mean of its divisors is an integer number (143496360).

Almost surely, 2^1140311323 is an apocalyptic number.

1140311323 is a deficient number, since it is larger than the sum of its proper divisors (7659557).

1140311323 is a wasteful number, since it uses less digits than its factorization.

1140311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1140311323 is about 33768.4960132962. The cubic root of 1140311323 is about 1044.7390122260.

Adding to 1140311323 its reverse (3231130411), we get a palindrome (4371441734).

The spelling of 1140311323 in words is "one billion, one hundred forty million, three hundred eleven thousand, three hundred twenty-three".