2123124030 has 144 divisors (see below), whose sum is σ = 5892722784. Its totient is φ = 530236800.

The previous prime is 2123124013. The next prime is 2123124041. The reversal of 2123124030 is 304213212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2123123994 and 2123124012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3281167 + ... + 3281813.

It is an arithmetic number, because the mean of its divisors is an integer number (40921686).

Almost surely, 2^2123124030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123124030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946361392).

2123124030 is an abundant number, since it is smaller than the sum of its proper divisors (3769598754).

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

2123124030 is a wasteful number, since it uses less digits than its factorization.

2123124030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2123124030 is about 46077.3700421367. The cubic root of 2123124030 is about 1285.2623586800.

Adding to 2123124030 its reverse (304213212), we get a palindrome (2427337242).

The spelling of 2123124030 in words is "two billion, one hundred twenty-three million, one hundred twenty-four thousand, thirty".