1023567947 has 2 divisors, whose sum is σ = 1023567948. Its totient is φ = 1023567946.

The previous prime is 1023567913. The next prime is 1023567949. The reversal of 1023567947 is 7497653201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7497653201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023567947 - 2²⁴ = 1006790731 is a prime.

Together with 1023567949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023567898 and 1023567907.

It is not a weakly prime, because it can be changed into another prime (1023567949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511783973 + 511783974.

It is an arithmetic number, because the mean of its divisors is an integer number (511783974).

Almost surely, 2^1023567947 is an apocalyptic number.

1023567947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023567947 is an equidigital number, since it uses as much as digits as its factorization.

1023567947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 1023567947 is about 31993.2484596360. The cubic root of 1023567947 is about 1007.7950614663.

The spelling of 1023567947 in words is "one billion, twenty-three million, five hundred sixty-seven thousand, nine hundred forty-seven".