1211003030023 has 2 divisors, whose sum is σ = 1211003030024. Its totient is φ = 1211003030022.

The previous prime is 1211003030011. The next prime is 1211003030059. The reversal of 1211003030023 is 3200303001121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211003030023 - 2⁵ = 1211003029991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211003029979 and 1211003030006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211003030323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605501515011 + 605501515012.

It is an arithmetic number, because the mean of its divisors is an integer number (605501515012).

Almost surely, 2^{1211003030023} is an apocalyptic number.

1211003030023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211003030023 is an equidigital number, since it uses as much as digits as its factorization.

1211003030023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1211003030023 its reverse (3200303001121), we get a palindrome (4411306031144).

The spelling of 1211003030023 in words is "one trillion, two hundred eleven billion, three million, thirty thousand, twenty-three".