1111012320023 has 2 divisors, whose sum is σ = 1111012320024. Its totient is φ = 1111012320022.

The previous prime is 1111012320001. The next prime is 1111012320151. The reversal of 1111012320023 is 3200232101111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111012320023 - 2¹² = 1111012315927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111012319983 and 1111012320010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111012325023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506160011 + 555506160012.

It is an arithmetic number, because the mean of its divisors is an integer number (555506160012).

Almost surely, 2^{1111012320023} is an apocalyptic number.

1111012320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111012320023 is an equidigital number, since it uses as much as digits as its factorization.

1111012320023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111012320023 its reverse (3200232101111), we get a palindrome (4311244421134).

The spelling of 1111012320023 in words is "one trillion, one hundred eleven billion, twelve million, three hundred twenty thousand, twenty-three".