1123580128403 has 2 divisors, whose sum is σ = 1123580128404. Its totient is φ = 1123580128402.

The previous prime is 1123580128337. The next prime is 1123580128471. The reversal of 1123580128403 is 3048210853211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123580128403 - 2³⁴ = 1106400259219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123580128483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561790064201 + 561790064202.

It is an arithmetic number, because the mean of its divisors is an integer number (561790064202).

Almost surely, 2^{1123580128403} is an apocalyptic number.

1123580128403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123580128403 is an equidigital number, since it uses as much as digits as its factorization.

1123580128403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 1123580128403 in words is "one trillion, one hundred twenty-three billion, five hundred eighty million, one hundred twenty-eight thousand, four hundred three".