1023120317 has 2 divisors, whose sum is σ = 1023120318. Its totient is φ = 1023120316.

The previous prime is 1023120313. The next prime is 1023120347. The reversal of 1023120317 is 7130213201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644195161 + 378925156 = 25381^2 + 19466^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023120317 - 2² = 1023120313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023120313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511560158 + 511560159.

It is an arithmetic number, because the mean of its divisors is an integer number (511560159).

Almost surely, 2^1023120317 is an apocalyptic number.

It is an amenable number.

1023120317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023120317 is an equidigital number, since it uses as much as digits as its factorization.

1023120317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1023120317 is about 31986.2519998827. The cubic root of 1023120317 is about 1007.6481293282.

Adding to 1023120317 its reverse (7130213201), we get a palindrome (8153333518).

The spelling of 1023120317 in words is "one billion, twenty-three million, one hundred twenty thousand, three hundred seventeen".