1340123308 has 6 divisors (see below), whose sum is σ = 2345215796. Its totient is φ = 670061652.

The previous prime is 1340123303. The next prime is 1340123353. The reversal of 1340123308 is 8033210431.

It is not an unprimeable number, because it can be changed into a prime (1340123303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167515410 + ... + 167515417.

Almost surely, 2^1340123308 is an apocalyptic number.

It is an amenable number.

1340123308 is a deficient number, since it is larger than the sum of its proper divisors (1005092488).

1340123308 is a wasteful number, since it uses less digits than its factorization.

1340123308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335030831 (or 335030829 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1340123308 is about 36607.6946556322. The cubic root of 1340123308 is about 1102.5075872871.

Adding to 1340123308 its reverse (8033210431), we get a palindrome (9373333739).

It can be divided in two parts, 1340123 and 308, that added together give a palindrome (1340431).

The spelling of 1340123308 in words is "one billion, three hundred forty million, one hundred twenty-three thousand, three hundred eight".