1023115697 has 2 divisors, whose sum is σ = 1023115698. Its totient is φ = 1023115696.

The previous prime is 1023115669. The next prime is 1023115699. The reversal of 1023115697 is 7965113201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011494416 + 11621281 = 31804^2 + 3409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023115697 - 2⁸ = 1023115441 is a prime.

Together with 1023115699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1023115699) 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, 511557848 + 511557849.

It is an arithmetic number, because the mean of its divisors is an integer number (511557849).

Almost surely, 2^1023115697 is an apocalyptic number.

It is an amenable number.

1023115697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023115697 is an equidigital number, since it uses as much as digits as its factorization.

1023115697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1023115697 is about 31986.1797812743. The cubic root of 1023115697 is about 1007.6466126146.

Adding to 1023115697 its reverse (7965113201), we get a palindrome (8988228898).

The spelling of 1023115697 in words is "one billion, twenty-three million, one hundred fifteen thousand, six hundred ninety-seven".