6211565023 has 2 divisors, whose sum is σ = 6211565024. Its totient is φ = 6211565022.

The previous prime is 6211564999. The next prime is 6211565057. The reversal of 6211565023 is 3205651126.

6211565023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6211565023 - 2⁵ = 6211564991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6211565083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105782511 + 3105782512.

It is an arithmetic number, because the mean of its divisors is an integer number (3105782512).

Almost surely, 2^6211565023 is an apocalyptic number.

6211565023 is a deficient number, since it is larger than the sum of its proper divisors (1).

6211565023 is an equidigital number, since it uses as much as digits as its factorization.

6211565023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6211565023 is about 78813.4824950655. The cubic root of 6211565023 is about 1838.2320982884.

The spelling of 6211565023 in words is "six billion, two hundred eleven million, five hundred sixty-five thousand, twenty-three".