13730023 has 2 divisors, whose sum is σ = 13730024. Its totient is φ = 13730022.

The previous prime is 13729973. The next prime is 13730047. The reversal of 13730023 is 32003731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13730023 - 2⁹ = 13729511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13730053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6865011 + 6865012.

It is an arithmetic number, because the mean of its divisors is an integer number (6865012).

Almost surely, 2^13730023 is an apocalyptic number.

13730023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13730023 is an equidigital number, since it uses as much as digits as its factorization.

13730023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 13730023 is about 3705.4045663058. The cubic root of 13730023 is about 239.4549145654.

Adding to 13730023 its reverse (32003731), we get a palindrome (45733754).

The spelling of 13730023 in words is "thirteen million, seven hundred thirty thousand, twenty-three".