11423113523231 has 8 divisors (see below), whose sum is σ = 11521521790800. Its totient is φ = 11324937078720.

The previous prime is 11423113523197. The next prime is 11423113523243. The reversal of 11423113523231 is 13232531132411.

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 a de Polignac number, because none of the positive numbers 2^k-11423113523231 is a prime.

It is a super-2 number, since 2×11423113523231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423113523531) 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, 57856790 + ... + 58053891.

It is an arithmetic number, because the mean of its divisors is an integer number (1440190223850).

Almost surely, 2^{11423113523231} is an apocalyptic number.

11423113523231 is a deficient number, since it is larger than the sum of its proper divisors (98408267569).

11423113523231 is a wasteful number, since it uses less digits than its factorization.

11423113523231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115911529.

The product of its digits is 12960, while the sum is 32.

Adding to 11423113523231 its reverse (13232531132411), we get a palindrome (24655644655642).

The spelling of 11423113523231 in words is "eleven trillion, four hundred twenty-three billion, one hundred thirteen million, five hundred twenty-three thousand, two hundred thirty-one".