2123144104 has 16 divisors (see below), whose sum is σ = 3993618420. Its totient is φ = 1058179200.

The previous prime is 2123144083. The next prime is 2123144131. The reversal of 2123144104 is 4014413212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2063884900 + 59259204 = 45430^2 + 7698^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421447 + ... + 426454.

Almost surely, 2^2123144104 is an apocalyptic number.

It is an amenable number.

2123144104 is a deficient number, since it is larger than the sum of its proper divisors (1870474316).

2123144104 is a wasteful number, since it uses less digits than its factorization.

2123144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848220 (or 848216 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2123144104 is about 46077.5878708945. The cubic root of 2123144104 is about 1285.2664093580.

Adding to 2123144104 its reverse (4014413212), we get a palindrome (6137557316).

The spelling of 2123144104 in words is "two billion, one hundred twenty-three million, one hundred forty-four thousand, one hundred four".