1023457697 has 2 divisors, whose sum is σ = 1023457698. Its totient is φ = 1023457696.

The previous prime is 1023457691. The next prime is 1023457709. The reversal of 1023457697 is 7967543201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992943121 + 30514576 = 31511^2 + 5524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023457697 - 2¹⁴ = 1023441313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023457691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511728848 + 511728849.

It is an arithmetic number, because the mean of its divisors is an integer number (511728849).

Almost surely, 2^1023457697 is an apocalyptic number.

It is an amenable number.

1023457697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023457697 is an equidigital number, since it uses as much as digits as its factorization.

1023457697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 1023457697 is about 31991.5253934538. The cubic root of 1023457697 is about 1007.7588764740.

The spelling of 1023457697 in words is "one billion, twenty-three million, four hundred fifty-seven thousand, six hundred ninety-seven".