1023113601113 has 4 divisors (see below), whose sum is σ = 1050765320100. Its totient is φ = 995461882128.

The previous prime is 1023113601109. The next prime is 1023113601131. The reversal of 1023113601113 is 3111063113201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 893350109584 + 129763491529 = 945172^2 + 360227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023113601113 - 2² = 1023113601109 is a prime.

It is a super-2 number, since 2×1023113601113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023113601163) 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 3 ways as a sum of consecutive naturals, for example, 13825859438 + ... + 13825859511.

It is an arithmetic number, because the mean of its divisors is an integer number (262691330025).

Almost surely, 2^{1023113601113} is an apocalyptic number.

It is an amenable number.

1023113601113 is a deficient number, since it is larger than the sum of its proper divisors (27651718987).

1023113601113 is an equidigital number, since it uses as much as digits as its factorization.

1023113601113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27651718986.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 1023113601113 its reverse (3111063113201), we get a palindrome (4134176714314).

The spelling of 1023113601113 in words is "one trillion, twenty-three billion, one hundred thirteen million, six hundred one thousand, one hundred thirteen".