1023133111243 has 2 divisors, whose sum is σ = 1023133111244. Its totient is φ = 1023133111242.

The previous prime is 1023133111193. The next prime is 1023133111279. The reversal of 1023133111243 is 3421113313201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3421113313201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023133111243 - 2⁹ = 1023133110731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023133114243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511566555621 + 511566555622.

It is an arithmetic number, because the mean of its divisors is an integer number (511566555622).

Almost surely, 2^{1023133111243} is an apocalyptic number.

1023133111243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023133111243 is an equidigital number, since it uses as much as digits as its factorization.

1023133111243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1023133111243 its reverse (3421113313201), we get a palindrome (4444246424444).

The spelling of 1023133111243 in words is "one trillion, twenty-three billion, one hundred thirty-three million, one hundred eleven thousand, two hundred forty-three".