1550134340723 has 2 divisors, whose sum is σ = 1550134340724. Its totient is φ = 1550134340722.

The previous prime is 1550134340717. The next prime is 1550134340731. The reversal of 1550134340723 is 3270434310551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1550134340723 - 2⁸ = 1550134340467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550134340743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775067170361 + 775067170362.

It is an arithmetic number, because the mean of its divisors is an integer number (775067170362).

Almost surely, 2^{1550134340723} is an apocalyptic number.

1550134340723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550134340723 is an equidigital number, since it uses as much as digits as its factorization.

1550134340723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 1550134340723 in words is "one trillion, five hundred fifty billion, one hundred thirty-four million, three hundred forty thousand, seven hundred twenty-three".