11042123203 has 8 divisors (see below), whose sum is σ = 11866163472. Its totient is φ = 10237472256.

The previous prime is 11042123179. The next prime is 11042123233. The reversal of 11042123203 is 30232124011.

It is a happy number.

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 11042123203 - 2²¹ = 11040026051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11042123233) 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, 4846150 + ... + 4848427.

It is an arithmetic number, because the mean of its divisors is an integer number (1483270434).

Almost surely, 2^11042123203 is an apocalyptic number.

11042123203 is a deficient number, since it is larger than the sum of its proper divisors (824040269).

11042123203 is an equidigital number, since it uses as much as digits as its factorization.

11042123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694661.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11042123203 its reverse (30232124011), we get a palindrome (41274247214).

The spelling of 11042123203 in words is "eleven billion, forty-two million, one hundred twenty-three thousand, two hundred three".