11123402003 has 8 divisors (see below), whose sum is σ = 12873377280. Its totient is φ = 9413656200.

The previous prime is 11123401987. The next prime is 11123402021. The reversal of 11123402003 is 30020432111.

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 11123402003 - 2⁴ = 11123401987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123422003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10056773 + ... + 10057878.

It is an arithmetic number, because the mean of its divisors is an integer number (1609172160).

Almost surely, 2^11123402003 is an apocalyptic number.

11123402003 is a deficient number, since it is larger than the sum of its proper divisors (1749975277).

11123402003 is an equidigital number, since it uses as much as digits as its factorization.

11123402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20114737.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11123402003 its reverse (30020432111), we get a palindrome (41143834114).

The spelling of 11123402003 in words is "eleven billion, one hundred twenty-three million, four hundred two thousand, three".