2116072523 has 4 divisors (see below), whose sum is σ = 2116527168. Its totient is φ = 2115617880.

The previous prime is 2116072507. The next prime is 2116072537. The reversal of 2116072523 is 3252706112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2116072523 - 2⁴ = 2116072507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116072573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220268 + ... + 229673.

It is an arithmetic number, because the mean of its divisors is an integer number (529131792).

Almost surely, 2^2116072523 is an apocalyptic number.

2116072523 is a deficient number, since it is larger than the sum of its proper divisors (454645).

2116072523 is an equidigital number, since it uses as much as digits as its factorization.

2116072523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454644.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2116072523 is about 46000.7882867240. The cubic root of 2116072523 is about 1283.8378715252.

Adding to 2116072523 its reverse (3252706112), we get a palindrome (5368778635).

The spelling of 2116072523 in words is "two billion, one hundred sixteen million, seventy-two thousand, five hundred twenty-three".