123005347 has 2 divisors, whose sum is σ = 123005348. Its totient is φ = 123005346.

The previous prime is 123005293. The next prime is 123005369. The reversal of 123005347 is 743500321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123005347 is a prime.

It is not a weakly prime, because it can be changed into another prime (123005447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61502673 + 61502674.

It is an arithmetic number, because the mean of its divisors is an integer number (61502674).

Almost surely, 2^123005347 is an apocalyptic number.

123005347 is a deficient number, since it is larger than the sum of its proper divisors (1).

123005347 is an equidigital number, since it uses as much as digits as its factorization.

123005347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 123005347 is about 11090.7775651665. Note that the first 3 decimals coincide. The cubic root of 123005347 is about 497.3261896306.

Adding to 123005347 its reverse (743500321), we get a palindrome (866505668).

The spelling of 123005347 in words is "one hundred twenty-three million, five thousand, three hundred forty-seven".