2013236623 has 2 divisors, whose sum is σ = 2013236624. Its totient is φ = 2013236622.

The previous prime is 2013236609. The next prime is 2013236677. The reversal of 2013236623 is 3266323102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013236623 - 2²⁵ = 1979682191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013236591 and 2013236600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013236683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006618311 + 1006618312.

It is an arithmetic number, because the mean of its divisors is an integer number (1006618312).

Almost surely, 2^2013236623 is an apocalyptic number.

2013236623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013236623 is an equidigital number, since it uses as much as digits as its factorization.

2013236623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 2013236623 is about 44869.1054401578. The cubic root of 2013236623 is about 1262.6944570974.

Adding to 2013236623 its reverse (3266323102), we get a palindrome (5279559725).

The spelling of 2013236623 in words is "two billion, thirteen million, two hundred thirty-six thousand, six hundred twenty-three".