1023434201281 has 2 divisors, whose sum is σ = 1023434201282. Its totient is φ = 1023434201280.

The previous prime is 1023434201219. The next prime is 1023434201323. The reversal of 1023434201281 is 1821024343201.

It is a happy number.

1023434201281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896401836225 + 127032365056 = 946785^2 + 356416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023434201281 - 2¹⁷ = 1023434070209 is a prime.

It is a super-2 number, since 2×1023434201281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023434201201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511717100640 + 511717100641.

It is an arithmetic number, because the mean of its divisors is an integer number (511717100641).

Almost surely, 2^{1023434201281} is an apocalyptic number.

It is an amenable number.

1023434201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023434201281 is an equidigital number, since it uses as much as digits as its factorization.

1023434201281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 1023434201281 its reverse (1821024343201), we get a palindrome (2844458544482).

The spelling of 1023434201281 in words is "one trillion, twenty-three billion, four hundred thirty-four million, two hundred one thousand, two hundred eighty-one".