2123230104243 has 8 divisors (see below), whose sum is σ = 3145526080400. Its totient is φ = 1415486736144.

The previous prime is 2123230104217. The next prime is 2123230104251. The reversal of 2123230104243 is 3424010323212.

2123230104243 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 230 + 1 + 0 + 424 + 3 = 666.

It is not a de Polignac number, because 2123230104243 - 2²⁵ = 2123196549811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 78638152009 = 2123230104243 / (2 + 1 + 2 + 3 + 2 + 3 + 0 + 1 + 0 + 4 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123230104263) 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, 39319075978 + ... + 39319076031.

It is an arithmetic number, because the mean of its divisors is an integer number (393190760050).

Almost surely, 2^{2123230104243} is an apocalyptic number.

2123230104243 is a deficient number, since it is larger than the sum of its proper divisors (1022295976157).

2123230104243 is an equidigital number, since it uses as much as digits as its factorization.

2123230104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78638152018 (or 78638152012 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2123230104243 its reverse (3424010323212), we get a palindrome (5547240427455).

The spelling of 2123230104243 in words is "two trillion, one hundred twenty-three billion, two hundred thirty million, one hundred four thousand, two hundred forty-three".