1200033021023 has 2 divisors, whose sum is σ = 1200033021024. Its totient is φ = 1200033021022.

The previous prime is 1200033021017. The next prime is 1200033021133. The reversal of 1200033021023 is 3201203300021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3201203300021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200033021023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200033020992 and 1200033021010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200033021923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600016510511 + 600016510512.

It is an arithmetic number, because the mean of its divisors is an integer number (600016510512).

Almost surely, 2^{1200033021023} is an apocalyptic number.

1200033021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200033021023 is an equidigital number, since it uses as much as digits as its factorization.

1200033021023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1200033021023 its reverse (3201203300021), we get a palindrome (4401236321044).

The spelling of 1200033021023 in words is "one trillion, two hundred billion, thirty-three million, twenty-one thousand, twenty-three".