123288859 has 2 divisors, whose sum is σ = 123288860. Its totient is φ = 123288858.

The previous prime is 123288817. The next prime is 123288871. The reversal of 123288859 is 958882321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123288859 - 2¹¹ = 123286811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123288899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61644429 + 61644430.

It is an arithmetic number, because the mean of its divisors is an integer number (61644430).

Almost surely, 2^123288859 is an apocalyptic number.

123288859 is a deficient number, since it is larger than the sum of its proper divisors (1).

123288859 is an equidigital number, since it uses as much as digits as its factorization.

123288859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 123288859 is about 11103.5516390027. The cubic root of 123288859 is about 497.7079880836.

The spelling of 123288859 in words is "one hundred twenty-three million, two hundred eighty-eight thousand, eight hundred fifty-nine".