1023023220169 has 2 divisors, whose sum is σ = 1023023220170. Its totient is φ = 1023023220168.

The previous prime is 1023023220161. The next prime is 1023023220173. The reversal of 1023023220169 is 9610223203201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996872449225 + 26150770944 = 998435^2 + 161712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023023220169 - 2³ = 1023023220161 is a prime.

It is a super-2 number, since 2×1023023220169² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023023220169.

It is not a weakly prime, because it can be changed into another prime (1023023220161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511511610084 + 511511610085.

It is an arithmetic number, because the mean of its divisors is an integer number (511511610085).

Almost surely, 2^{1023023220169} is an apocalyptic number.

It is an amenable number.

1023023220169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023023220169 is an equidigital number, since it uses as much as digits as its factorization.

1023023220169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 1023023220169 in words is "one trillion, twenty-three billion, twenty-three million, two hundred twenty thousand, one hundred sixty-nine".