2123113303243 has 8 divisors (see below), whose sum is σ = 2129255525600. Its totient is φ = 2116971417600.

The previous prime is 2123113303193. The next prime is 2123113303249. The reversal of 2123113303243 is 3423033113212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123113303243 - 2²⁹ = 2122576432331 is a prime.

It is a super-2 number, since 2×2123113303243² (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 (2123113303249) 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, 18372043 + ... + 18487243.

It is an arithmetic number, because the mean of its divisors is an integer number (266156940700).

Almost surely, 2^{2123113303243} is an apocalyptic number.

2123113303243 is a deficient number, since it is larger than the sum of its proper divisors (6142222357).

2123113303243 is a wasteful number, since it uses less digits than its factorization.

2123113303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168357.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 2123113303243 its reverse (3423033113212), we get a palindrome (5546146416455).

The spelling of 2123113303243 in words is "two trillion, one hundred twenty-three billion, one hundred thirteen million, three hundred three thousand, two hundred forty-three".