1211320023383 has 2 divisors, whose sum is σ = 1211320023384. Its totient is φ = 1211320023382.

The previous prime is 1211320023299. The next prime is 1211320023401. The reversal of 1211320023383 is 3833200231121.

It is a strong prime.

It is an emirp because it is prime and its reverse (3833200231121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211320023383 - 2⁸ = 1211320023127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211320023583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605660011691 + 605660011692.

It is an arithmetic number, because the mean of its divisors is an integer number (605660011692).

Almost surely, 2^{1211320023383} is an apocalyptic number.

1211320023383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211320023383 is an equidigital number, since it uses as much as digits as its factorization.

1211320023383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 1211320023383 in words is "one trillion, two hundred eleven billion, three hundred twenty million, twenty-three thousand, three hundred eighty-three".