123206918063627 has 2 divisors, whose sum is σ = 123206918063628. Its totient is φ = 123206918063626.

The previous prime is 123206918063473. The next prime is 123206918063629. The reversal of 123206918063627 is 726360819602321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123206918063627 - 2¹² = 123206918059531 is a prime.

It is a super-3 number, since 3×123206918063627³ (a number of 43 digits) contains 333 as substring.

Together with 123206918063629, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123206918063629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61603459031813 + 61603459031814.

It is an arithmetic number, because the mean of its divisors is an integer number (61603459031814).

Almost surely, 2^{123206918063627} is an apocalyptic number.

123206918063627 is a deficient number, since it is larger than the sum of its proper divisors (1).

123206918063627 is an equidigital number, since it uses as much as digits as its factorization.

123206918063627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 123206918063627 in words is "one hundred twenty-three trillion, two hundred six billion, nine hundred eighteen million, sixty-three thousand, six hundred twenty-seven".