123949367 has 2 divisors, whose sum is σ = 123949368. Its totient is φ = 123949366.

The previous prime is 123949337. The next prime is 123949373. The reversal of 123949367 is 763949321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123949367 - 2⁶ = 123949303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123949307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61974683 + 61974684.

It is an arithmetic number, because the mean of its divisors is an integer number (61974684).

Almost surely, 2^123949367 is an apocalyptic number.

123949367 is a deficient number, since it is larger than the sum of its proper divisors (1).

123949367 is an equidigital number, since it uses as much as digits as its factorization.

123949367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 123949367 is about 11133.2550047145. The cubic root of 123949367 is about 498.5952128424.

The spelling of 123949367 in words is "one hundred twenty-three million, nine hundred forty-nine thousand, three hundred sixty-seven".