1123103320312 has 16 divisors (see below), whose sum is σ = 2197376061840. Its totient is φ = 537136370496.

The previous prime is 1123103320279. The next prime is 1123103320327. The reversal of 1123103320312 is 2130233013211.

It is a super-2 number, since 2×1123103320312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051911013 + ... + 3051911380.

It is an arithmetic number, because the mean of its divisors is an integer number (137336003865).

Almost surely, 2^{1123103320312} is an apocalyptic number.

It is an amenable number.

1123103320312 is a deficient number, since it is larger than the sum of its proper divisors (1074272741528).

1123103320312 is a wasteful number, since it uses less digits than its factorization.

1123103320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103822422 (or 6103822418 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123103320312 its reverse (2130233013211), we get a palindrome (3253336333523).

The spelling of 1123103320312 in words is "one trillion, one hundred twenty-three billion, one hundred three million, three hundred twenty thousand, three hundred twelve".