11002123123 has 8 divisors (see below), whose sum is σ = 11302169760. Its totient is φ = 10702218240.

The previous prime is 11002123091. The next prime is 11002123141. The reversal of 11002123123 is 32132120011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11002123123 - 2⁵ = 11002123091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002123097 and 11002123106.

It is not an unprimeable number, because it can be changed into a prime (11002123723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132618 + ... + 198976.

It is an arithmetic number, because the mean of its divisors is an integer number (1412771220).

Almost surely, 2^11002123123 is an apocalyptic number.

11002123123 is a deficient number, since it is larger than the sum of its proper divisors (300046637).

11002123123 is an equidigital number, since it uses as much as digits as its factorization.

11002123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70877.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11002123123 its reverse (32132120011), we get a palindrome (43134243134).

The spelling of 11002123123 in words is "eleven billion, two million, one hundred twenty-three thousand, one hundred twenty-three".