513141322111123 has 4 divisors (see below), whose sum is σ = 535451814376848. Its totient is φ = 490830829845400.

The previous prime is 513141322111091. The next prime is 513141322111129. The reversal of 513141322111123 is 321111223141315.

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

It is a cyclic number.

It is not a de Polignac number, because 513141322111123 - 2⁵ = 513141322111091 is a prime.

It is a super-2 number, since 2×513141322111123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513141322111129) 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 3 ways as a sum of consecutive naturals, for example, 11155246132828 + ... + 11155246132873.

It is an arithmetic number, because the mean of its divisors is an integer number (133862953594212).

Almost surely, 2^{513141322111123} is an apocalyptic number.

513141322111123 is a deficient number, since it is larger than the sum of its proper divisors (22310492265725).

513141322111123 is a wasteful number, since it uses less digits than its factorization.

513141322111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22310492265724.

The product of its digits is 4320, while the sum is 31.

Adding to 513141322111123 its reverse (321111223141315), we get a palindrome (834252545252438).

The spelling of 513141322111123 in words is "five hundred thirteen trillion, one hundred forty-one billion, three hundred twenty-two million, one hundred eleven thousand, one hundred twenty-three".