123427 has 2 divisors, whose sum is σ = 123428. Its totient is φ = 123426.

The previous prime is 123419. The next prime is 123433. The reversal of 123427 is 724321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123427 - 2³ = 123419 is a prime.

It is a Chen prime.

123427 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (123407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61713 + 61714.

It is an arithmetic number, because the mean of its divisors is an integer number (61714).

2¹²³⁴²⁷ is an apocalyptic number.

123427 is a deficient number, since it is larger than the sum of its proper divisors (1).

123427 is an equidigital number, since it uses as much as digits as its factorization.

123427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 19.

The square root of 123427 is about 351.3217898167. The cubic root of 123427 is about 49.7893807027.

Adding to 123427 its reverse (724321), we get a palindrome (847748).

The spelling of 123427 in words is "one hundred twenty-three thousand, four hundred twenty-seven", and thus it is an iban number.