11120003023123 has 4 divisors (see below), whose sum is σ = 11125221234088. Its totient is φ = 11114784812160.

The previous prime is 11120003023099. The next prime is 11120003023127. The reversal of 11120003023123 is 32132030002111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120003023123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11120003023123.

It is not an unprimeable number, because it can be changed into a prime (11120003023127) 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, 2609102286 + ... + 2609106547.

It is an arithmetic number, because the mean of its divisors is an integer number (2781305308522).

Almost surely, 2^{11120003023123} is an apocalyptic number.

11120003023123 is a deficient number, since it is larger than the sum of its proper divisors (5218210965).

11120003023123 is an equidigital number, since it uses as much as digits as its factorization.

11120003023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218210964.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11120003023123 its reverse (32132030002111), we get a palindrome (43252033025234).

The spelling of 11120003023123 in words is "eleven trillion, one hundred twenty billion, three million, twenty-three thousand, one hundred twenty-three".