123227647 has 2 divisors, whose sum is σ = 123227648. Its totient is φ = 123227646.

The previous prime is 123227633. The next prime is 123227653. The reversal of 123227647 is 746722321.

It is a strong prime.

It is an emirp because it is prime and its reverse (746722321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123227647 - 2⁷ = 123227519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123227617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61613823 + 61613824.

It is an arithmetic number, because the mean of its divisors is an integer number (61613824).

Almost surely, 2^123227647 is an apocalyptic number.

123227647 is a deficient number, since it is larger than the sum of its proper divisors (1).

123227647 is an equidigital number, since it uses as much as digits as its factorization.

123227647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 123227647 is about 11100.7948814488. The cubic root of 123227647 is about 497.6256050119.

Adding to 123227647 its reverse (746722321), we get a palindrome (869949968).

The spelling of 123227647 in words is "one hundred twenty-three million, two hundred twenty-seven thousand, six hundred forty-seven".