11331302123 has 4 divisors (see below), whose sum is σ = 11331548280. Its totient is φ = 11331055968.

The previous prime is 11331302117. The next prime is 11331302131. The reversal of 11331302123 is 32120313311.

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

It is a cyclic number.

It is not a de Polignac number, because 11331302123 - 2²² = 11327107819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331302095 and 11331302104.

It is not an unprimeable number, because it can be changed into a prime (11331302173) 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, 31133 + ... + 153726.

It is an arithmetic number, because the mean of its divisors is an integer number (2832887070).

Almost surely, 2^11331302123 is an apocalyptic number.

11331302123 is a deficient number, since it is larger than the sum of its proper divisors (246157).

11331302123 is an equidigital number, since it uses as much as digits as its factorization.

11331302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246156.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11331302123 its reverse (32120313311), we get a palindrome (43451615434).

The spelling of 11331302123 in words is "eleven billion, three hundred thirty-one million, three hundred two thousand, one hundred twenty-three".