2123320115 has 32 divisors (see below), whose sum is σ = 3057454080. Its totient is φ = 1384758144.

The previous prime is 2123320037. The next prime is 2123320127. The reversal of 2123320115 is 5110233212.

It is not a de Polignac number, because 2123320115 - 2¹⁴ = 2123303731 is a prime.

It is a super-2 number, since 2×2123320115² = 9016976621527226450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52394 + ... + 83616.

It is an arithmetic number, because the mean of its divisors is an integer number (95545440).

Almost surely, 2^2123320115 is an apocalyptic number.

2123320115 is a deficient number, since it is larger than the sum of its proper divisors (934133965).

2123320115 is a wasteful number, since it uses less digits than its factorization.

2123320115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31331.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2123320115 is about 46079.4977728707. The cubic root of 2123320115 is about 1285.3019250467.

Adding to 2123320115 its reverse (5110233212), we get a palindrome (7233553327).

The spelling of 2123320115 in words is "two billion, one hundred twenty-three million, three hundred twenty thousand, one hundred fifteen".