1023112001103 has 32 divisors (see below), whose sum is σ = 1398692520960. Its totient is φ = 664921889280.

The previous prime is 1023112001077. The next prime is 1023112001123. The reversal of 1023112001103 is 3011002113201.

It is a happy number.

It is not a de Polignac number, because 1023112001103 - 2⁹ = 1023112000591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023112001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52681851 + ... + 52701267.

It is an arithmetic number, because the mean of its divisors is an integer number (43709141280).

Almost surely, 2^{1023112001103} is an apocalyptic number.

1023112001103 is a deficient number, since it is larger than the sum of its proper divisors (375580519857).

1023112001103 is a wasteful number, since it uses less digits than its factorization.

1023112001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20927.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1023112001103 its reverse (3011002113201), we get a palindrome (4034114114304).

The spelling of 1023112001103 in words is "one trillion, twenty-three billion, one hundred twelve million, one thousand, one hundred three".