11016623123 has 4 divisors (see below), whose sum is σ = 12018134328. Its totient is φ = 10015111920.

The previous prime is 11016623087. The next prime is 11016623129. The reversal of 11016623123 is 32132661011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32132661011 = 11 ⋅2921151001.

It is not a de Polignac number, because 11016623123 - 2⁸ = 11016622867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11016623092 and 11016623101.

It is not an unprimeable number, because it can be changed into a prime (11016623129) 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, 500755586 + ... + 500755607.

It is an arithmetic number, because the mean of its divisors is an integer number (3004533582).

Almost surely, 2^11016623123 is an apocalyptic number.

11016623123 is a deficient number, since it is larger than the sum of its proper divisors (1001511205).

11016623123 is a wasteful number, since it uses less digits than its factorization.

11016623123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001511204.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11016623123 in words is "eleven billion, sixteen million, six hundred twenty-three thousand, one hundred twenty-three".