1123842007423 has 2 divisors, whose sum is σ = 1123842007424. Its totient is φ = 1123842007422.

The previous prime is 1123842007373. The next prime is 1123842007559. The reversal of 1123842007423 is 3247002483211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123842007423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123842007823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561921003711 + 561921003712.

It is an arithmetic number, because the mean of its divisors is an integer number (561921003712).

Almost surely, 2^{1123842007423} is an apocalyptic number.

1123842007423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123842007423 is an equidigital number, since it uses as much as digits as its factorization.

1123842007423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 1123842007423 in words is "one trillion, one hundred twenty-three billion, eight hundred forty-two million, seven thousand, four hundred twenty-three".