1123590359123 has 4 divisors (see below), whose sum is σ = 1124081655840. Its totient is φ = 1123099062408.

The previous prime is 1123590359107. The next prime is 1123590359173. The reversal of 1123590359123 is 3219530953211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123590359123 - 2⁴ = 1123590359107 is a prime.

It is a super-2 number, since 2×1123590359123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123590359173) 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 in 3 ways as a sum of consecutive naturals, for example, 245644928 + ... + 245649501.

It is an arithmetic number, because the mean of its divisors is an integer number (281020413960).

Almost surely, 2^{1123590359123} is an apocalyptic number.

1123590359123 is a deficient number, since it is larger than the sum of its proper divisors (491296717).

1123590359123 is an equidigital number, since it uses as much as digits as its factorization.

1123590359123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491296716.

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 1123590359123 in words is "one trillion, one hundred twenty-three billion, five hundred ninety million, three hundred fifty-nine thousand, one hundred twenty-three".