11003231023 has 2 divisors, whose sum is σ = 11003231024. Its totient is φ = 11003231022.

The previous prime is 11003231021. The next prime is 11003231077. The reversal of 11003231023 is 32013230011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11003231023 - 2¹ = 11003231021 is a prime.

Together with 11003231021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11003230988 and 11003231006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11003231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501615511 + 5501615512.

It is an arithmetic number, because the mean of its divisors is an integer number (5501615512).

Almost surely, 2^11003231023 is an apocalyptic number.

11003231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003231023 is an equidigital number, since it uses as much as digits as its factorization.

11003231023 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 11003231023 its reverse (32013230011), we get a palindrome (43016461034).

The spelling of 11003231023 in words is "eleven billion, three million, two hundred thirty-one thousand, twenty-three".