11623243231 has 8 divisors (see below), whose sum is σ = 11922178400. Its totient is φ = 11327804640.

The previous prime is 11623243193. The next prime is 11623243267. The reversal of 11623243231 is 13234232611.

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 11623243231 - 2²¹ = 11621146079 is a prime.

It is a super-2 number, since 2×11623243231² (a number of 21 digits) contains 22 as substring.

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 11623243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623243031) 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, 867411 + ... + 880708.

It is an arithmetic number, because the mean of its divisors is an integer number (1490272300).

Almost surely, 2^11623243231 is an apocalyptic number.

11623243231 is a deficient number, since it is larger than the sum of its proper divisors (298935169).

11623243231 is a wasteful number, since it uses less digits than its factorization.

11623243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748289.

The product of its digits is 5184, while the sum is 28.

Adding to 11623243231 its reverse (13234232611), we get a palindrome (24857475842).

The spelling of 11623243231 in words is "eleven billion, six hundred twenty-three million, two hundred forty-three thousand, two hundred thirty-one".