1023208297 has 2 divisors, whose sum is σ = 1023208298. Its totient is φ = 1023208296.

The previous prime is 1023208279. The next prime is 1023208309. The reversal of 1023208297 is 7928023201.

Together with previous prime (1023208279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646227241 + 376981056 = 25421^2 + 19416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023208297 - 2¹⁹ = 1022684009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023208217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511604148 + 511604149.

It is an arithmetic number, because the mean of its divisors is an integer number (511604149).

Almost surely, 2^1023208297 is an apocalyptic number.

It is an amenable number.

1023208297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023208297 is an equidigital number, since it uses as much as digits as its factorization.

1023208297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1023208297 is about 31987.6272486723. The cubic root of 1023208297 is about 1007.6770116730.

The spelling of 1023208297 in words is "one billion, twenty-three million, two hundred eight thousand, two hundred ninety-seven".