27228623 has 2 divisors, whose sum is σ = 27228624. Its totient is φ = 27228622.

The previous prime is 27228583. The next prime is 27228647. The reversal of 27228623 is 32682272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27228623 - 2¹⁴ = 27212239 is a prime.

It is a super-2 number, since 2×27228623² = 1482795820952258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27228623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27228683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13614311 + 13614312.

It is an arithmetic number, because the mean of its divisors is an integer number (13614312).

Almost surely, 2^27228623 is an apocalyptic number.

27228623 is a deficient number, since it is larger than the sum of its proper divisors (1).

27228623 is an equidigital number, since it uses as much as digits as its factorization.

27228623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 27228623 is about 5218.1053074847. The cubic root of 27228623 is about 300.8443730693.

The spelling of 27228623 in words is "twenty-seven million, two hundred twenty-eight thousand, six hundred twenty-three".