13542343 has 2 divisors, whose sum is σ = 13542344. Its totient is φ = 13542342.

The previous prime is 13542323. The next prime is 13542359. The reversal of 13542343 is 34324531.

It is a strong prime.

It is an emirp because it is prime and its reverse (34324531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13542343 - 2⁵ = 13542311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13542323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771171 + 6771172.

It is an arithmetic number, because the mean of its divisors is an integer number (6771172).

Almost surely, 2^13542343 is an apocalyptic number.

13542343 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542343 is an equidigital number, since it uses as much as digits as its factorization.

13542343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 13542343 is about 3679.9922554266. The cubic root of 13542343 is about 238.3588436134.

Adding to 13542343 its reverse (34324531), we get a palindrome (47866874).

The spelling of 13542343 in words is "thirteen million, five hundred forty-two thousand, three hundred forty-three".