2013020011123 has 8 divisors (see below), whose sum is σ = 2196118197936. Its totient is φ = 1829937885600.

The previous prime is 2013020011087. The next prime is 2013020011129. The reversal of 2013020011123 is 3211100203102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2013020011123 is a prime.

It is a super-2 number, since 2×2013020011123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013020011097 and 2013020011106.

It is not an unprimeable number, because it can be changed into a prime (2013020011129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752508 + ... + 4255273.

It is an arithmetic number, because the mean of its divisors is an integer number (274514774742).

Almost surely, 2^{2013020011123} is an apocalyptic number.

2013020011123 is a deficient number, since it is larger than the sum of its proper divisors (183098186813).

2013020011123 is a wasteful number, since it uses less digits than its factorization.

2013020011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030645.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2013020011123 its reverse (3211100203102), we get a palindrome (5224120214225).

The spelling of 2013020011123 in words is "two trillion, thirteen billion, twenty million, eleven thousand, one hundred twenty-three".