1123839136013 has 32 divisors (see below), whose sum is σ = 1315301068800. Its totient is φ = 950038154560.

The previous prime is 1123839135989. The next prime is 1123839136027. The reversal of 1123839136013 is 3106319383211.

It is a de Polignac number, because none of the positive numbers 2^k-1123839136013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123839136073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1454606 + ... + 2088912.

It is an arithmetic number, because the mean of its divisors is an integer number (41103158400).

Almost surely, 2^{1123839136013} is an apocalyptic number.

It is an amenable number.

1123839136013 is a deficient number, since it is larger than the sum of its proper divisors (191461932787).

1123839136013 is a wasteful number, since it uses less digits than its factorization.

1123839136013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634537.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 1123839136013 in words is "one trillion, one hundred twenty-three billion, eight hundred thirty-nine million, one hundred thirty-six thousand, thirteen".