1340043423411 has 64 divisors (see below), whose sum is σ = 2251158736896. Its totient is φ = 688803523200.

The previous prime is 1340043423391. The next prime is 1340043423497. The reversal of 1340043423411 is 1143243400431.

It is not a de Polignac number, because 1340043423411 - 2⁵ = 1340043423379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340043423011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8468841 + ... + 8625621.

It is an arithmetic number, because the mean of its divisors is an integer number (35174355264).

Almost surely, 2^{1340043423411} is an apocalyptic number.

1340043423411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1340043423411 is a deficient number, since it is larger than the sum of its proper divisors (911115313485).

1340043423411 is a wasteful number, since it uses less digits than its factorization.

1340043423411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157192.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1340043423411 its reverse (1143243400431), we get a palindrome (2483286823842).

The spelling of 1340043423411 in words is "one trillion, three hundred forty billion, forty-three million, four hundred twenty-three thousand, four hundred eleven".