2123124234 has 96 divisors (see below), whose sum is σ = 5417280000. Its totient is φ = 548523360.

The previous prime is 2123124217. The next prime is 2123124247. The reversal of 2123124234 is 4324213212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 641917 + ... + 645215.

It is an arithmetic number, because the mean of its divisors is an integer number (56430000).

Almost surely, 2^2123124234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123124234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708640000).

2123124234 is an abundant number, since it is smaller than the sum of its proper divisors (3294155766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123124234 is a wasteful number, since it uses less digits than its factorization.

2123124234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 3521 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 2123124234 is about 46077.3722558047. The cubic root of 2123124234 is about 1285.2623998448.

Adding to 2123124234 its reverse (4324213212), we get a palindrome (6447337446).

The spelling of 2123124234 in words is "two billion, one hundred twenty-three million, one hundred twenty-four thousand, two hundred thirty-four".