111312312234234 has 64 divisors (see below), whose sum is σ = 236472562252800. Its totient is φ = 34810055451648.

The previous prime is 111312312234223. The next prime is 111312312234241. The reversal of 111312312234234 is 432432213213111.

It is a junction number, because it is equal to n+sod(n) for n = 111312312234195 and 111312312234204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1248985527 + ... + 1249074645.

It is an arithmetic number, because the mean of its divisors is an integer number (3694883785200).

Almost surely, 2^{111312312234234} is an apocalyptic number.

111312312234234 is an abundant number, since it is smaller than the sum of its proper divisors (125160250018566).

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

111312312234234 is a wasteful number, since it uses less digits than its factorization.

111312312234234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128087.

The product of its digits is 20736, while the sum is 33.

Adding to 111312312234234 its reverse (432432213213111), we get a palindrome (543744525447345).

The spelling of 111312312234234 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred twelve million, two hundred thirty-four thousand, two hundred thirty-four".