1023165163 has 2 divisors, whose sum is σ = 1023165164. Its totient is φ = 1023165162.

The previous prime is 1023165161. The next prime is 1023165173. The reversal of 1023165163 is 3615613201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023165163 - 2¹ = 1023165161 is a prime.

Together with 1023165161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1023165161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511582581 + 511582582.

It is an arithmetic number, because the mean of its divisors is an integer number (511582582).

Almost surely, 2^1023165163 is an apocalyptic number.

1023165163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023165163 is an equidigital number, since it uses as much as digits as its factorization.

1023165163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1023165163 is about 31986.9530121267. The cubic root of 1023165163 is about 1007.6628517178.

Adding to 1023165163 its reverse (3615613201), we get a palindrome (4638778364).

The spelling of 1023165163 in words is "one billion, twenty-three million, one hundred sixty-five thousand, one hundred sixty-three".