23311231011112 has 32 divisors (see below), whose sum is σ = 47682393887520. Its totient is φ = 10595940661440.

The previous prime is 23311231011059. The next prime is 23311231011113. The reversal of 23311231011112 is 21111013211332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (23311231011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13053298 + ... + 14731294.

It is an arithmetic number, because the mean of its divisors is an integer number (1490074808985).

Almost surely, 2^{23311231011112} is an apocalyptic number.

23311231011112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23311231011112 is an abundant number, since it is smaller than the sum of its proper divisors (24371162876408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311231011112 is a wasteful number, since it uses less digits than its factorization.

23311231011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835881 (or 1835877 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 23311231011112 its reverse (21111013211332), we get a palindrome (44422244222444).

The spelling of 23311231011112 in words is "twenty-three trillion, three hundred eleven billion, two hundred thirty-one million, eleven thousand, one hundred twelve".