2123016522 has 16 divisors (see below), whose sum is σ = 4632036192. Its totient is φ = 643338320.

The previous prime is 2123016479. The next prime is 2123016551. The reversal of 2123016522 is 2256103212.

It is a junction number, because it is equal to n+sod(n) for n = 2123016492 and 2123016501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16083393 + ... + 16083524.

It is an arithmetic number, because the mean of its divisors is an integer number (289502262).

Almost surely, 2^2123016522 is an apocalyptic number.

2123016522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123016522 is an abundant number, since it is smaller than the sum of its proper divisors (2509019670).

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

2123016522 is a wasteful number, since it uses less digits than its factorization.

2123016522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32166933.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2123016522 is about 46076.2034243274. The cubic root of 2123016522 is about 1285.2406644979.

Adding to 2123016522 its reverse (2256103212), we get a palindrome (4379119734).

The spelling of 2123016522 in words is "two billion, one hundred twenty-three million, sixteen thousand, five hundred twenty-two".