123730667 has 2 divisors, whose sum is σ = 123730668. Its totient is φ = 123730666.

The previous prime is 123730657. The next prime is 123730681. The reversal of 123730667 is 766037321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123730667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123730657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61865333 + 61865334.

It is an arithmetic number, because the mean of its divisors is an integer number (61865334).

Almost surely, 2^123730667 is an apocalyptic number.

123730667 is a deficient number, since it is larger than the sum of its proper divisors (1).

123730667 is an equidigital number, since it uses as much as digits as its factorization.

123730667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 123730667 is about 11123.4287429731. The cubic root of 123730667 is about 498.3017947276.

Adding to 123730667 its reverse (766037321), we get a palindrome (889767988).

The spelling of 123730667 in words is "one hundred twenty-three million, seven hundred thirty thousand, six hundred sixty-seven".