123432347 has 2 divisors, whose sum is σ = 123432348. Its totient is φ = 123432346.

The previous prime is 123432319. The next prime is 123432349. The reversal of 123432347 is 743234321.

It is a strong prime.

It is an emirp because it is prime and its reverse (743234321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123432347 - 2¹⁰ = 123431323 is a prime.

Together with 123432349, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (123432349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61716173 + 61716174.

It is an arithmetic number, because the mean of its divisors is an integer number (61716174).

Almost surely, 2^123432347 is an apocalyptic number.

123432347 is a deficient number, since it is larger than the sum of its proper divisors (1).

123432347 is an equidigital number, since it uses as much as digits as its factorization.

123432347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 29.

The square root of 123432347 is about 11110.0111161061. The cubic root of 123432347 is about 497.9009967007.

Adding to 123432347 its reverse (743234321), we get a palindrome (866666668).

The spelling of 123432347 in words is "one hundred twenty-three million, four hundred thirty-two thousand, three hundred forty-seven".