1123845067418 has 4 divisors (see below), whose sum is σ = 1685767601130. Its totient is φ = 561922533708.

The previous prime is 1123845067417. The next prime is 1123845067441. The reversal of 1123845067418 is 8147605483211.

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

It can be written as a sum of positive squares in only one way, i.e., 897523180129 + 226321887289 = 947377^2 + 475733^2 .

It is a super-3 number, since 3×1123845067418³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123845067417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280961266853 + ... + 280961266856.

Almost surely, 2^{1123845067418} is an apocalyptic number.

1123845067418 is a deficient number, since it is larger than the sum of its proper divisors (561922533712).

1123845067418 is an equidigital number, since it uses as much as digits as its factorization.

1123845067418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561922533711.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 1123845067418 in words is "one trillion, one hundred twenty-three billion, eight hundred forty-five million, sixty-seven thousand, four hundred eighteen".