1123135321340 has 24 divisors (see below), whose sum is σ = 2359624668912. Its totient is φ = 449055939200.

The previous prime is 1123135321241. The next prime is 1123135321351. The reversal of 1123135321340 is 431235313211.

It is a super-2 number, since 2×1123135321340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12340361 + ... + 12431040.

It is an arithmetic number, because the mean of its divisors is an integer number (98317694538).

Almost surely, 2^{1123135321340} is an apocalyptic number.

1123135321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123135321340 is an abundant number, since it is smaller than the sum of its proper divisors (1236489347572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123135321340 is a wasteful number, since it uses less digits than its factorization.

1123135321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24773677 (or 24773675 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 1123135321340 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-five million, three hundred twenty-one thousand, three hundred forty".