27304221223 has 2 divisors, whose sum is σ = 27304221224. Its totient is φ = 27304221222.

The previous prime is 27304221211. The next prime is 27304221233. The reversal of 27304221223 is 32212240372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27304221223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27304221191 and 27304221200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27304221233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13652110611 + 13652110612.

It is an arithmetic number, because the mean of its divisors is an integer number (13652110612).

Almost surely, 2^27304221223 is an apocalyptic number.

27304221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

27304221223 is an equidigital number, since it uses as much as digits as its factorization.

27304221223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 27304221223 its reverse (32212240372), we get a palindrome (59516461595).

The spelling of 27304221223 in words is "twenty-seven billion, three hundred four million, two hundred twenty-one thousand, two hundred twenty-three".