13455223 has 2 divisors, whose sum is σ = 13455224. Its totient is φ = 13455222.

The previous prime is 13455191. The next prime is 13455263. The reversal of 13455223 is 32255431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13455223 - 2⁵ = 13455191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13455263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727611 + 6727612.

It is an arithmetic number, because the mean of its divisors is an integer number (6727612).

Almost surely, 2^13455223 is an apocalyptic number.

13455223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455223 is an equidigital number, since it uses as much as digits as its factorization.

13455223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 13455223 is about 3668.1361752258. The cubic root of 13455223 is about 237.8466104345.

The spelling of 13455223 in words is "thirteen million, four hundred fifty-five thousand, two hundred twenty-three".