123386047 has 2 divisors, whose sum is σ = 123386048. Its totient is φ = 123386046.

The previous prime is 123386041. The next prime is 123386101. The reversal of 123386047 is 740683321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123386047 - 2¹⁹ = 122861759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123386041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61693023 + 61693024.

It is an arithmetic number, because the mean of its divisors is an integer number (61693024).

Almost surely, 2^123386047 is an apocalyptic number.

123386047 is a deficient number, since it is larger than the sum of its proper divisors (1).

123386047 is an equidigital number, since it uses as much as digits as its factorization.

123386047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 123386047 is about 11107.9272143816. The cubic root of 123386047 is about 497.8387339857.

The spelling of 123386047 in words is "one hundred twenty-three million, three hundred eighty-six thousand, forty-seven".