1123233220304 has 60 divisors (see below), whose sum is σ = 2363300887500. Its totient is φ = 516929467392.

The previous prime is 1123233220283. The next prime is 1123233220331. The reversal of 1123233220304 is 4030223323211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 33606222400 + 1089626997904 = 183320^2 + 1043852^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348572 + ... + 1538820.

It is an arithmetic number, because the mean of its divisors is an integer number (39388348125).

Almost surely, 2^{1123233220304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123233220304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181650443750).

1123233220304 is an abundant number, since it is smaller than the sum of its proper divisors (1240067667196).

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

1123233220304 is a wasteful number, since it uses less digits than its factorization.

1123233220304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190632 (or 1190613 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1123233220304 its reverse (4030223323211), we get a palindrome (5153456543515).

The spelling of 1123233220304 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-three million, two hundred twenty thousand, three hundred four".