1023567823 has 2 divisors, whose sum is σ = 1023567824. Its totient is φ = 1023567822.

The previous prime is 1023567799. The next prime is 1023567887. The reversal of 1023567823 is 3287653201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023567823 - 2¹⁷ = 1023436751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023567893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511783911 + 511783912.

It is an arithmetic number, because the mean of its divisors is an integer number (511783912).

Almost surely, 2^1023567823 is an apocalyptic number.

1023567823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023567823 is an equidigital number, since it uses as much as digits as its factorization.

1023567823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1023567823 is about 31993.2465217271. The cubic root of 1023567823 is about 1007.7950207699.

The spelling of 1023567823 in words is "one billion, twenty-three million, five hundred sixty-seven thousand, eight hundred twenty-three".