11002123023 has 4 divisors (see below), whose sum is σ = 14669497368. Its totient is φ = 7334748680.

The previous prime is 11002123021. The next prime is 11002123043. The reversal of 11002123023 is 32032120011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32032120011 = 3 ⋅10677373337.

It is a cyclic number.

It is not a de Polignac number, because 11002123023 - 2¹ = 11002123021 is a prime.

It is a super-2 number, since 2×11002123023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11002122993 and 11002123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002123021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833687168 + ... + 1833687173.

It is an arithmetic number, because the mean of its divisors is an integer number (3667374342).

Almost surely, 2^11002123023 is an apocalyptic number.

11002123023 is a deficient number, since it is larger than the sum of its proper divisors (3667374345).

11002123023 is an equidigital number, since it uses as much as digits as its factorization.

11002123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667374344.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11002123023 its reverse (32032120011), we get a palindrome (43034243034).

The spelling of 11002123023 in words is "eleven billion, two million, one hundred twenty-three thousand, twenty-three".