23915955314209 has 16 divisors (see below), whose sum is σ = 27613602580608. Its totient is φ = 20289656927232.

The previous prime is 23915955314197. The next prime is 23915955314219. The reversal of 23915955314209 is 90241355951932.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23915955314209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23915955314219) 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 in 15 ways as a sum of consecutive naturals, for example, 44663827 + ... + 45196120.

It is an arithmetic number, because the mean of its divisors is an integer number (1725850161288).

Almost surely, 2^{23915955314209} is an apocalyptic number.

It is an amenable number.

23915955314209 is a deficient number, since it is larger than the sum of its proper divisors (3697647266399).

23915955314209 is a wasteful number, since it uses less digits than its factorization.

23915955314209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89860344.

The product of its (nonzero) digits is 13122000, while the sum is 58.

The spelling of 23915955314209 in words is "twenty-three trillion, nine hundred fifteen billion, nine hundred fifty-five million, three hundred fourteen thousand, two hundred nine".