1023435051311 has 2 divisors, whose sum is σ = 1023435051312. Its totient is φ = 1023435051310.

The previous prime is 1023435051299. The next prime is 1023435051337. The reversal of 1023435051311 is 1131505343201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023435051311 - 2¹⁴ = 1023435034927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023435051371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511717525655 + 511717525656.

It is an arithmetic number, because the mean of its divisors is an integer number (511717525656).

Almost surely, 2^{1023435051311} is an apocalyptic number.

1023435051311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023435051311 is an equidigital number, since it uses as much as digits as its factorization.

1023435051311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 1023435051311 in words is "one trillion, twenty-three billion, four hundred thirty-five million, fifty-one thousand, three hundred eleven".