1011233201023 has 2 divisors, whose sum is σ = 1011233201024. Its totient is φ = 1011233201022.

The previous prime is 1011233200993. The next prime is 1011233201057. The reversal of 1011233201023 is 3201023321101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011233201023 - 2²¹ = 1011231103871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011233201323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505616600511 + 505616600512.

It is an arithmetic number, because the mean of its divisors is an integer number (505616600512).

Almost surely, 2^{1011233201023} is an apocalyptic number.

1011233201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011233201023 is an equidigital number, since it uses as much as digits as its factorization.

1011233201023 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 19.

Adding to 1011233201023 its reverse (3201023321101), we get a palindrome (4212256522124).

The spelling of 1011233201023 in words is "one trillion, eleven billion, two hundred thirty-three million, two hundred one thousand, twenty-three".