1230423020459 has 2 divisors, whose sum is σ = 1230423020460. Its totient is φ = 1230423020458.

The previous prime is 1230423020413. The next prime is 1230423020467. The reversal of 1230423020459 is 9540203240321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230423020459 - 2¹² = 1230423016363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230423020059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615211510229 + 615211510230.

It is an arithmetic number, because the mean of its divisors is an integer number (615211510230).

Almost surely, 2^{1230423020459} is an apocalyptic number.

1230423020459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230423020459 is an equidigital number, since it uses as much as digits as its factorization.

1230423020459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 1230423020459 in words is "one trillion, two hundred thirty billion, four hundred twenty-three million, twenty thousand, four hundred fifty-nine".