123404327 has 2 divisors, whose sum is σ = 123404328. Its totient is φ = 123404326.

The previous prime is 123404279. The next prime is 123404329. The reversal of 123404327 is 723404321.

It is a strong prime.

It is an emirp because it is prime and its reverse (723404321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123404327 - 2⁶ = 123404263 is a prime.

Together with 123404329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 123404296 and 123404305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123404329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61702163 + 61702164.

It is an arithmetic number, because the mean of its divisors is an integer number (61702164).

Almost surely, 2^123404327 is an apocalyptic number.

123404327 is a deficient number, since it is larger than the sum of its proper divisors (1).

123404327 is an equidigital number, since it uses as much as digits as its factorization.

123404327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 123404327 is about 11108.7500196917. The cubic root of 123404327 is about 497.8633181881.

Adding to 123404327 its reverse (723404321), we get a palindrome (846808648).

The spelling of 123404327 in words is "one hundred twenty-three million, four hundred four thousand, three hundred twenty-seven".