23516142643459 has 2 divisors, whose sum is σ = 23516142643460. Its totient is φ = 23516142643458.

The previous prime is 23516142643423. The next prime is 23516142643471. The reversal of 23516142643459 is 95434624161532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23516142643459 - 2⁹ = 23516142642947 is a prime.

It is not a weakly prime, because it can be changed into another prime (23516142643559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11758071321729 + 11758071321730.

It is an arithmetic number, because the mean of its divisors is an integer number (11758071321730).

Almost surely, 2^{23516142643459} is an apocalyptic number.

23516142643459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23516142643459 is an equidigital number, since it uses as much as digits as its factorization.

23516142643459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 55.

The spelling of 23516142643459 in words is "twenty-three trillion, five hundred sixteen billion, one hundred forty-two million, six hundred forty-three thousand, four hundred fifty-nine".