123494447 has 2 divisors, whose sum is σ = 123494448. Its totient is φ = 123494446.

The previous prime is 123494389. The next prime is 123494453. The reversal of 123494447 is 744494321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123494447 - 2⁸ = 123494191 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123494447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123494047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61747223 + 61747224.

It is an arithmetic number, because the mean of its divisors is an integer number (61747224).

Almost surely, 2^123494447 is an apocalyptic number.

123494447 is a deficient number, since it is larger than the sum of its proper divisors (1).

123494447 is an equidigital number, since it uses as much as digits as its factorization.

123494447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 123494447 is about 11112.8055413563. The cubic root of 123494447 is about 497.9844822936.

The spelling of 123494447 in words is "one hundred twenty-three million, four hundred ninety-four thousand, four hundred forty-seven".