2013210623 has 2 divisors, whose sum is σ = 2013210624. Its totient is φ = 2013210622.

The previous prime is 2013210583. The next prime is 2013210697. The reversal of 2013210623 is 3260123102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013210623 - 2²⁸ = 1744775167 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013210595 and 2013210604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013210323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006605311 + 1006605312.

It is an arithmetic number, because the mean of its divisors is an integer number (1006605312).

Almost surely, 2^2013210623 is an apocalyptic number.

2013210623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013210623 is an equidigital number, since it uses as much as digits as its factorization.

2013210623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2013210623 is about 44868.8157075713. The cubic root of 2013210623 is about 1262.6890213732.

Adding to 2013210623 its reverse (3260123102), we get a palindrome (5273333725).

The spelling of 2013210623 in words is "two billion, thirteen million, two hundred ten thousand, six hundred twenty-three".