13151923 has 2 divisors, whose sum is σ = 13151924. Its totient is φ = 13151922.

The previous prime is 13151921. The next prime is 13151927. The reversal of 13151923 is 32915131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13151923 - 2¹ = 13151921 is a prime.

Together with 13151921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13151921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575961 + 6575962.

It is an arithmetic number, because the mean of its divisors is an integer number (6575962).

Almost surely, 2^13151923 is an apocalyptic number.

13151923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151923 is an equidigital number, since it uses as much as digits as its factorization.

13151923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 25.

The square root of 13151923 is about 3626.5580100145. The cubic root of 13151923 is about 236.0458770814.

The spelling of 13151923 in words is "thirteen million, one hundred fifty-one thousand, nine hundred twenty-three".