13658923 has 2 divisors, whose sum is σ = 13658924. Its totient is φ = 13658922.

The previous prime is 13658921. The next prime is 13658989. The reversal of 13658923 is 32985631.

13658923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13658923 - 2¹ = 13658921 is a prime.

Together with 13658921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13658921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6829461 + 6829462.

It is an arithmetic number, because the mean of its divisors is an integer number (6829462).

Almost surely, 2^13658923 is an apocalyptic number.

13658923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13658923 is an equidigital number, since it uses as much as digits as its factorization.

13658923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 13658923 is about 3695.7980193728. The cubic root of 13658923 is about 239.0408653126.

The spelling of 13658923 in words is "thirteen million, six hundred fifty-eight thousand, nine hundred twenty-three".