11011031023 has 2 divisors, whose sum is σ = 11011031024. Its totient is φ = 11011031022.

The previous prime is 11011030999. The next prime is 11011031039. The reversal of 11011031023 is 32013011011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011031023 - 2²⁹ = 10474160111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011030994 and 11011031012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011031093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505515511 + 5505515512.

It is an arithmetic number, because the mean of its divisors is an integer number (5505515512).

Almost surely, 2^11011031023 is an apocalyptic number.

11011031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011031023 is an equidigital number, since it uses as much as digits as its factorization.

11011031023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11011031023 its reverse (32013011011), we get a palindrome (43024042034).

The spelling of 11011031023 in words is "eleven billion, eleven million, thirty-one thousand, twenty-three".