1123231230030 has 256 divisors, whose sum is σ = 3360625551360. Its totient is φ = 233950353408.

The previous prime is 1123231229951. The next prime is 1123231230047. The reversal of 1123231230030 is 300321323211.

It is a super-2 number, since 2×1123231230030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1123231229979 and 1123231230006.

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 127 ways as a sum of consecutive naturals, for example, 82420077 + ... + 82433703.

It is an arithmetic number, because the mean of its divisors is an integer number (13127443560).

Almost surely, 2^{1123231230030} is an apocalyptic number.

1123231230030 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 1123231230030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680312775680).

1123231230030 is an abundant number, since it is smaller than the sum of its proper divisors (2237394321330).

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

1123231230030 is a wasteful number, since it uses less digits than its factorization.

1123231230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14043.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1123231230030 its reverse (300321323211), we get a palindrome (1423552553241).

The spelling of 1123231230030 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-one million, two hundred thirty thousand, thirty".