1012311023 has 2 divisors, whose sum is σ = 1012311024. Its totient is φ = 1012311022.

The previous prime is 1012310989. The next prime is 1012311103. The reversal of 1012311023 is 3201132101.

It is a weak prime.

It is an emirp because it is prime and its reverse (3201132101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012311023 - 2¹⁴ = 1012294639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012310989 and 1012311007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012311623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506155511 + 506155512.

It is an arithmetic number, because the mean of its divisors is an integer number (506155512).

Almost surely, 2^1012311023 is an apocalyptic number.

1012311023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012311023 is an equidigital number, since it uses as much as digits as its factorization.

1012311023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1012311023 is about 31816.8355277517. The cubic root of 1012311023 is about 1004.0869484309.

Adding to 1012311023 its reverse (3201132101), we get a palindrome (4213443124).

The spelling of 1012311023 in words is "one billion, twelve million, three hundred eleven thousand, twenty-three".