233111113420 has 24 divisors (see below), whose sum is σ = 489936961584. Its totient is φ = 93167564736.

The previous prime is 233111113399. The next prime is 233111113421. The reversal of 233111113420 is 24311111332.

It is a junction number, because it is equal to n+sod(n) for n = 233111113391 and 233111113400.

It is not an unprimeable number, because it can be changed into a prime (233111113421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4780174 + ... + 4828693.

It is an arithmetic number, because the mean of its divisors is an integer number (20414040066).

Almost surely, 2^233111113420 is an apocalyptic number.

233111113420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233111113420 is an abundant number, since it is smaller than the sum of its proper divisors (256825848164).

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

233111113420 is a wasteful number, since it uses less digits than its factorization.

233111113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610089 (or 9610087 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 233111113420 its reverse (24311111332), we get a palindrome (257422224752).

The spelling of 233111113420 in words is "two hundred thirty-three billion, one hundred eleven million, one hundred thirteen thousand, four hundred twenty".