123355027 has 2 divisors, whose sum is σ = 123355028. Its totient is φ = 123355026.

The previous prime is 123355021. The next prime is 123355081. The reversal of 123355027 is 720553321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123355027 - 2¹⁵ = 123322259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123354986 and 123355004.

It is not a weakly prime, because it can be changed into another prime (123355021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677513 + 61677514.

It is an arithmetic number, because the mean of its divisors is an integer number (61677514).

Almost surely, 2^123355027 is an apocalyptic number.

123355027 is a deficient number, since it is larger than the sum of its proper divisors (1).

123355027 is an equidigital number, since it uses as much as digits as its factorization.

123355027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 123355027 is about 11106.5308265002. The cubic root of 123355027 is about 497.7970105973.

The spelling of 123355027 in words is "one hundred twenty-three million, three hundred fifty-five thousand, twenty-seven".