23505115219 has 2 divisors, whose sum is σ = 23505115220. Its totient is φ = 23505115218.

The previous prime is 23505115159. The next prime is 23505115267. The reversal of 23505115219 is 91251150532.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23505115219 - 2¹⁵ = 23505082451 is a prime.

It is a super-2 number, since 2×23505115219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23505115279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752557609 + 11752557610.

It is an arithmetic number, because the mean of its divisors is an integer number (11752557610).

Almost surely, 2^23505115219 is an apocalyptic number.

23505115219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23505115219 is an equidigital number, since it uses as much as digits as its factorization.

23505115219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 23505115219 in words is "twenty-three billion, five hundred five million, one hundred fifteen thousand, two hundred nineteen".