1013103013123 has 16 divisors (see below), whose sum is σ = 1088151109920. Its totient is φ = 940281129216.

The previous prime is 1013103013121. The next prime is 1013103013141. The reversal of 1013103013123 is 3213103013101.

1013103013123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1013103013123 - 2¹ = 1013103013121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013103013123.

It is not an unprimeable number, because it can be changed into a prime (1013103013121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61290 + ... + 1424767.

It is an arithmetic number, because the mean of its divisors is an integer number (68009444370).

Almost surely, 2^{1013103013123} is an apocalyptic number.

1013103013123 is a deficient number, since it is larger than the sum of its proper divisors (75048096797).

1013103013123 is a wasteful number, since it uses less digits than its factorization.

1013103013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486806.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1013103013123 its reverse (3213103013101), we get a palindrome (4226206026224).

The spelling of 1013103013123 in words is "one trillion, thirteen billion, one hundred three million, thirteen thousand, one hundred twenty-three".