1011031433123 has 2 divisors, whose sum is σ = 1011031433124. Its totient is φ = 1011031433122.

The previous prime is 1011031433117. The next prime is 1011031433141. The reversal of 1011031433123 is 3213341301101.

It is a weak prime.

It is an emirp because it is prime and its reverse (3213341301101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011031433123 - 2¹⁶ = 1011031367587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1011031439123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505515716561 + 505515716562.

It is an arithmetic number, because the mean of its divisors is an integer number (505515716562).

Almost surely, 2^{1011031433123} is an apocalyptic number.

1011031433123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011031433123 is an equidigital number, since it uses as much as digits as its factorization.

1011031433123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1011031433123 its reverse (3213341301101), we get a palindrome (4224372734224).

The spelling of 1011031433123 in words is "one trillion, eleven billion, thirty-one million, four hundred thirty-three thousand, one hundred twenty-three".