1123103030310 has 192 divisors, whose sum is σ = 3153589770240. Its totient is φ = 287265968640.

The previous prime is 1123103030299. The next prime is 1123103030339. The reversal of 1123103030310 is 130303013211.

It is a happy number.

1123103030310 is a `hidden beast` number, since 1 + 12 + 310 + 3 + 0 + 30 + 310 = 666.

It is a super-2 number, since 2×1123103030310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8446321 + ... + 8578259.

It is an arithmetic number, because the mean of its divisors is an integer number (16424946720).

Almost surely, 2^{1123103030310} is an apocalyptic number.

1123103030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123103030310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576794885120).

1123103030310 is an abundant number, since it is smaller than the sum of its proper divisors (2030486739930).

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

1123103030310 is a wasteful number, since it uses less digits than its factorization.

1123103030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132105 (or 132093 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1123103030310 its reverse (130303013211), we get a palindrome (1253406043521).

The spelling of 1123103030310 in words is "one trillion, one hundred twenty-three billion, one hundred three million, thirty thousand, three hundred ten".