2102243443123 has 8 divisors (see below), whose sum is σ = 2104630920000. Its totient is φ = 2099856698688.

The previous prime is 2102243443073. The next prime is 2102243443133. The reversal of 2102243443123 is 3213443422012.

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 2102243443123 - 2¹³ = 2102243434931 is a prime.

It is a super-2 number, since 2×2102243443123² (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 (2102243443133) 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, 5666278 + ... + 6025876.

It is an arithmetic number, because the mean of its divisors is an integer number (263078865000).

Almost surely, 2^{2102243443123} is an apocalyptic number.

2102243443123 is a deficient number, since it is larger than the sum of its proper divisors (2387476877).

2102243443123 is a wasteful number, since it uses less digits than its factorization.

2102243443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366221.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2102243443123 its reverse (3213443422012), we get a palindrome (5315686865135).

The spelling of 2102243443123 in words is "two trillion, one hundred two billion, two hundred forty-three million, four hundred forty-three thousand, one hundred twenty-three".