123229487 has 2 divisors, whose sum is σ = 123229488. Its totient is φ = 123229486.

The previous prime is 123229471. The next prime is 123229523. The reversal of 123229487 is 784922321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123229487 - 2⁴ = 123229471 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 123229487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123229417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61614743 + 61614744.

It is an arithmetic number, because the mean of its divisors is an integer number (61614744).

Almost surely, 2^123229487 is an apocalyptic number.

123229487 is a deficient number, since it is larger than the sum of its proper divisors (1).

123229487 is an equidigital number, since it uses as much as digits as its factorization.

123229487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 123229487 is about 11100.8777580874. The cubic root of 123229487 is about 497.6280818006.

The spelling of 123229487 in words is "one hundred twenty-three million, two hundred twenty-nine thousand, four hundred eighty-seven".