1623713713 has 2 divisors, whose sum is σ = 1623713714. Its totient is φ = 1623713712.

The previous prime is 1623713699. The next prime is 1623713717. The reversal of 1623713713 is 3173173261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300900624 + 322813089 = 36068^2 + 17967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623713713 - 2²⁵ = 1590159281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1623713717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811856856 + 811856857.

It is an arithmetic number, because the mean of its divisors is an integer number (811856857).

Almost surely, 2^1623713713 is an apocalyptic number.

It is an amenable number.

1623713713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623713713 is an equidigital number, since it uses as much as digits as its factorization.

1623713713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 1623713713 is about 40295.3311563511. The cubic root of 1623713713 is about 1175.3570577459.

Adding to 1623713713 its reverse (3173173261), we get a palindrome (4796886974).

The spelling of 1623713713 in words is "one billion, six hundred twenty-three million, seven hundred thirteen thousand, seven hundred thirteen".