123412654459 has 2 divisors, whose sum is σ = 123412654460. Its totient is φ = 123412654458.

The previous prime is 123412654357. The next prime is 123412654483. The reversal of 123412654459 is 954456214321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123412654459 - 2¹¹ = 123412652411 is a prime.

It is not a weakly prime, because it can be changed into another prime (123412654489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61706327229 + 61706327230.

It is an arithmetic number, because the mean of its divisors is an integer number (61706327230).

Almost surely, 2^123412654459 is an apocalyptic number.

123412654459 is a deficient number, since it is larger than the sum of its proper divisors (1).

123412654459 is an equidigital number, since it uses as much as digits as its factorization.

123412654459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The spelling of 123412654459 in words is "one hundred twenty-three billion, four hundred twelve million, six hundred fifty-four thousand, four hundred fifty-nine".