123347687 has 2 divisors, whose sum is σ = 123347688. Its totient is φ = 123347686.

The previous prime is 123347671. The next prime is 123347717. The reversal of 123347687 is 786743321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123347687 - 2⁴ = 123347671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123347657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61673843 + 61673844.

It is an arithmetic number, because the mean of its divisors is an integer number (61673844).

Almost surely, 2^123347687 is an apocalyptic number.

123347687 is a deficient number, since it is larger than the sum of its proper divisors (1).

123347687 is an equidigital number, since it uses as much as digits as its factorization.

123347687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 123347687 is about 11106.2003853703. The cubic root of 123347687 is about 497.7871369218.

The spelling of 123347687 in words is "one hundred twenty-three million, three hundred forty-seven thousand, six hundred eighty-seven".