11021323023 has 64 divisors (see below), whose sum is σ = 17719948800. Its totient is φ = 6744291840.

The previous prime is 11021323013. The next prime is 11021323031. The reversal of 11021323023 is 32032312011.

It is not a de Polignac number, because 11021323023 - 2⁴ = 11021323007 is a prime.

It is a super-2 number, since 2×11021323023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021322987 and 11021323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021323013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4353268 + ... + 4355798.

It is an arithmetic number, because the mean of its divisors is an integer number (276874200).

Almost surely, 2^11021323023 is an apocalyptic number.

11021323023 is a deficient number, since it is larger than the sum of its proper divisors (6698625777).

11021323023 is a wasteful number, since it uses less digits than its factorization.

11021323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11021323023 its reverse (32032312011), we get a palindrome (43053635034).

The spelling of 11021323023 in words is "eleven billion, twenty-one million, three hundred twenty-three thousand, twenty-three".