1023113331044 has 192 divisors, whose sum is σ = 2219083776000. Its totient is φ = 403470197760.

The previous prime is 1023113331017. The next prime is 1023113331047. The reversal of 1023113331044 is 4401333113201.

It is not an unprimeable number, because it can be changed into a prime (1023113331047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328024517 + ... + 328027635.

It is an arithmetic number, because the mean of its divisors is an integer number (11557728000).

Almost surely, 2^{1023113331044} is an apocalyptic number.

1023113331044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023113331044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109541888000).

1023113331044 is an abundant number, since it is smaller than the sum of its proper divisors (1195970444956).

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

1023113331044 is a wasteful number, since it uses less digits than its factorization.

1023113331044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1023113331044 its reverse (4401333113201), we get a palindrome (5424446444245).

The spelling of 1023113331044 in words is "one trillion, twenty-three billion, one hundred thirteen million, three hundred thirty-one thousand, forty-four".