2023398647 has 2 divisors, whose sum is σ = 2023398648. Its totient is φ = 2023398646.

The previous prime is 2023398607. The next prime is 2023398691. The reversal of 2023398647 is 7468933202.

It is an a-pointer prime, because the next prime (2023398691) can be obtained adding 2023398647 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2023398647 - 2¹⁶ = 2023333111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2023398598 and 2023398607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023398607) 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, 1011699323 + 1011699324.

It is an arithmetic number, because the mean of its divisors is an integer number (1011699324).

Almost surely, 2^2023398647 is an apocalyptic number.

2023398647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023398647 is an equidigital number, since it uses as much as digits as its factorization.

2023398647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 2023398647 is about 44982.2036698959. The cubic root of 2023398647 is about 1264.8154202715.

The spelling of 2023398647 in words is "two billion, twenty-three million, three hundred ninety-eight thousand, six hundred forty-seven".