6465015223 has 2 divisors, whose sum is σ = 6465015224. Its totient is φ = 6465015222.

The previous prime is 6465015209. The next prime is 6465015229. The reversal of 6465015223 is 3225105646.

6465015223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6465015223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465015229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232507611 + 3232507612.

It is an arithmetic number, because the mean of its divisors is an integer number (3232507612).

Almost surely, 2^6465015223 is an apocalyptic number.

6465015223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465015223 is an equidigital number, since it uses as much as digits as its factorization.

6465015223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 6465015223 is about 80405.3183750926. The cubic root of 6465015223 is about 1862.9013207714.

The spelling of 6465015223 in words is "six billion, four hundred sixty-five million, fifteen thousand, two hundred twenty-three".