11342002123 has 4 divisors (see below), whose sum is σ = 11342230168. Its totient is φ = 11341774080.

The previous prime is 11342002117. The next prime is 11342002153. The reversal of 11342002123 is 32120024311.

It is a happy number.

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-11342002123 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 11342002123.

It is not an unprimeable number, because it can be changed into a prime (11342002103) 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, 4086 + ... + 150667.

It is an arithmetic number, because the mean of its divisors is an integer number (2835557542).

Almost surely, 2^11342002123 is an apocalyptic number.

11342002123 is a deficient number, since it is larger than the sum of its proper divisors (228045).

11342002123 is an equidigital number, since it uses as much as digits as its factorization.

11342002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228044.

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

Adding to 11342002123 its reverse (32120024311), we get a palindrome (43462026434).

The spelling of 11342002123 in words is "eleven billion, three hundred forty-two million, two thousand, one hundred twenty-three".