27423223 has 2 divisors, whose sum is σ = 27423224. Its totient is φ = 27423222.

The previous prime is 27423211. The next prime is 27423257. The reversal of 27423223 is 32232472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27423223 - 2⁹ = 27422711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27423203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13711611 + 13711612.

It is an arithmetic number, because the mean of its divisors is an integer number (13711612).

Almost surely, 2^27423223 is an apocalyptic number.

27423223 is a deficient number, since it is larger than the sum of its proper divisors (1).

27423223 is an equidigital number, since it uses as much as digits as its factorization.

27423223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 25.

The square root of 27423223 is about 5236.7187245450. The cubic root of 27423223 is about 301.5593730675.

Adding to 27423223 its reverse (32232472), we get a palindrome (59655695).

Subtracting 27423223 from its reverse (32232472), we obtain a square (4809249 = 2193²).

The spelling of 27423223 in words is "twenty-seven million, four hundred twenty-three thousand, two hundred twenty-three".