11631113423 has 4 divisors (see below), whose sum is σ = 11631619440. Its totient is φ = 11630607408.

The previous prime is 11631113371. The next prime is 11631113443. The reversal of 11631113423 is 32431113611.

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 11631113423 - 2²⁶ = 11564004559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11631113392 and 11631113401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631113443) 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, 216803 + ... + 265076.

It is an arithmetic number, because the mean of its divisors is an integer number (2907904860).

Almost surely, 2^11631113423 is an apocalyptic number.

11631113423 is a deficient number, since it is larger than the sum of its proper divisors (506017).

11631113423 is an equidigital number, since it uses as much as digits as its factorization.

11631113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506016.

The product of its digits is 1296, while the sum is 26.

The spelling of 11631113423 in words is "eleven billion, six hundred thirty-one million, one hundred thirteen thousand, four hundred twenty-three".