2012523243 has 4 divisors (see below), whose sum is σ = 2683364328. Its totient is φ = 1341682160.

The previous prime is 2012523239. The next prime is 2012523251. The reversal of 2012523243 is 3423252102.

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 2012523243 - 2² = 2012523239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012523143) 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, 335420538 + ... + 335420543.

It is an arithmetic number, because the mean of its divisors is an integer number (670841082).

Almost surely, 2^2012523243 is an apocalyptic number.

2012523243 is a deficient number, since it is larger than the sum of its proper divisors (670841085).

2012523243 is an equidigital number, since it uses as much as digits as its factorization.

2012523243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670841084.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2012523243 is about 44861.1551679178. The cubic root of 2012523243 is about 1262.5452963914.

Adding to 2012523243 its reverse (3423252102), we get a palindrome (5435775345).

The spelling of 2012523243 in words is "two billion, twelve million, five hundred twenty-three thousand, two hundred forty-three".