1233275303891 has 2 divisors, whose sum is σ = 1233275303892. Its totient is φ = 1233275303890.

The previous prime is 1233275303867. The next prime is 1233275304029. The reversal of 1233275303891 is 1983035723321.

It is a weak prime.

It is an emirp because it is prime and its reverse (1983035723321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233275303891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233275303831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616637651945 + 616637651946.

It is an arithmetic number, because the mean of its divisors is an integer number (616637651946).

Almost surely, 2^{1233275303891} is an apocalyptic number.

1233275303891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233275303891 is an equidigital number, since it uses as much as digits as its factorization.

1233275303891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 1233275303891 in words is "one trillion, two hundred thirty-three billion, two hundred seventy-five million, three hundred three thousand, eight hundred ninety-one".