1125105143423 has 2 divisors, whose sum is σ = 1125105143424. Its totient is φ = 1125105143422.

The previous prime is 1125105143417. The next prime is 1125105143431. The reversal of 1125105143423 is 3243415015211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125105143423 - 2³⁸ = 850227236479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125105143423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125105143473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562552571711 + 562552571712.

It is an arithmetic number, because the mean of its divisors is an integer number (562552571712).

Almost surely, 2^{1125105143423} is an apocalyptic number.

1125105143423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125105143423 is an equidigital number, since it uses as much as digits as its factorization.

1125105143423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 1125105143423 in words is "one trillion, one hundred twenty-five billion, one hundred five million, one hundred forty-three thousand, four hundred twenty-three".