1023050215217 has 2 divisors, whose sum is σ = 1023050215218. Its totient is φ = 1023050215216.

The previous prime is 1023050215177. The next prime is 1023050215331. The reversal of 1023050215217 is 7125120503201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012325748736 + 10724466481 = 1006144^2 + 103559^2 .

It is an emirp because it is prime and its reverse (7125120503201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023050215217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023050215217.

It is not a weakly prime, because it can be changed into another prime (1023050211217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511525107608 + 511525107609.

It is an arithmetic number, because the mean of its divisors is an integer number (511525107609).

Almost surely, 2^{1023050215217} is an apocalyptic number.

It is an amenable number.

1023050215217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023050215217 is an equidigital number, since it uses as much as digits as its factorization.

1023050215217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 1023050215217 its reverse (7125120503201), we get a palindrome (8148170718418).

The spelling of 1023050215217 in words is "one trillion, twenty-three billion, fifty million, two hundred fifteen thousand, two hundred seventeen".