514023343303021 has 2 divisors, whose sum is σ = 514023343303022. Its totient is φ = 514023343303020.

The previous prime is 514023343303009. The next prime is 514023343303039. The reversal of 514023343303021 is 120303343320415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258907730172100 + 255115613130921 = 16090610^2 + 15972339^2 .

It is a cyclic number.

It is not a de Polignac number, because 514023343303021 - 2⁷ = 514023343302893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514023343303621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257011671651510 + 257011671651511.

It is an arithmetic number, because the mean of its divisors is an integer number (257011671651511).

Almost surely, 2^{514023343303021} is an apocalyptic number.

It is an amenable number.

514023343303021 is a deficient number, since it is larger than the sum of its proper divisors (1).

514023343303021 is an equidigital number, since it uses as much as digits as its factorization.

514023343303021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 514023343303021 its reverse (120303343320415), we get a palindrome (634326686623436).

The spelling of 514023343303021 in words is "five hundred fourteen trillion, twenty-three billion, three hundred forty-three million, three hundred three thousand, twenty-one".