1356034142123 has 2 divisors, whose sum is σ = 1356034142124. Its totient is φ = 1356034142122.

The previous prime is 1356034142119. The next prime is 1356034142129. The reversal of 1356034142123 is 3212414306531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356034142123 - 2² = 1356034142119 is a prime.

It is not a weakly prime, because it can be changed into another prime (1356034142129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678017071061 + 678017071062.

It is an arithmetic number, because the mean of its divisors is an integer number (678017071062).

Almost surely, 2^{1356034142123} is an apocalyptic number.

1356034142123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356034142123 is an equidigital number, since it uses as much as digits as its factorization.

1356034142123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 1356034142123 its reverse (3212414306531), we get a palindrome (4568448448654).

The spelling of 1356034142123 in words is "one trillion, three hundred fifty-six billion, thirty-four million, one hundred forty-two thousand, one hundred twenty-three".