1140634323 has 12 divisors (see below), whose sum is σ = 1648218000. Its totient is φ = 760129776.

The previous prime is 1140634301. The next prime is 1140634337. The reversal of 1140634323 is 3234360411.

1140634323 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 634 + 3 + 23 = 666.

It is not a de Polignac number, because 1140634323 - 2⁵ = 1140634291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140634343) 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, 1690 + ... + 47792.

It is an arithmetic number, because the mean of its divisors is an integer number (137351500).

Almost surely, 2^1140634323 is an apocalyptic number.

1140634323 is a deficient number, since it is larger than the sum of its proper divisors (507583677).

1140634323 is a wasteful number, since it uses less digits than its factorization.

1140634323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48858 (or 48855 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1140634323 is about 33773.2782388681. The cubic root of 1140634323 is about 1044.8376457710.

Adding to 1140634323 its reverse (3234360411), we get a palindrome (4374994734).

The spelling of 1140634323 in words is "one billion, one hundred forty million, six hundred thirty-four thousand, three hundred twenty-three".