2123130330 has 48 divisors (see below), whose sum is σ = 5536598184. Its totient is φ = 564480000.

The previous prime is 2123130329. The next prime is 2123130379. The reversal of 2123130330 is 330313212.

2123130330 is a `hidden beast` number, since 21 + 2 + 313 + 0 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1835522649 + 287607681 = 42843^2 + 16959^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4671 + ... + 65330.

Almost surely, 2^2123130330 is an apocalyptic number.

2123130330 is an abundant number, since it is smaller than the sum of its proper divisors (3413467854).

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

2123130330 is a wasteful number, since it uses less digits than its factorization.

2123130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70351 (or 70348 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2123130330 is about 46077.4384053628. The cubic root of 2123130330 is about 1285.2636299427.

Adding to 2123130330 its reverse (330313212), we get a palindrome (2453443542).

The spelling of 2123130330 in words is "two billion, one hundred twenty-three million, one hundred thirty thousand, three hundred thirty".