2123353530 has 48 divisors (see below), whose sum is σ = 5523204960. Its totient is φ = 565972704.

The previous prime is 2123353517. The next prime is 2123353541. The reversal of 2123353530 is 353533212.

2123353530 is a `hidden beast` number, since 2 + 123 + 3 + 5 + 3 + 530 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2123353494 and 2123353503.

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, 280941 + ... + 288399.

It is an arithmetic number, because the mean of its divisors is an integer number (115066770).

Almost surely, 2^2123353530 is an apocalyptic number.

2123353530 is an abundant number, since it is smaller than the sum of its proper divisors (3399851430).

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

2123353530 is a wasteful number, since it uses less digits than its factorization.

2123353530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10635 (or 10632 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 2123353530 is about 46079.8603513509. The cubic root of 2123353530 is about 1285.3086673396.

Adding to 2123353530 its reverse (353533212), we get a palindrome (2476886742).

The spelling of 2123353530 in words is "two billion, one hundred twenty-three million, three hundred fifty-three thousand, five hundred thirty".