230111231020 has 192 divisors, whose sum is σ = 557194038912. Its totient is φ = 79073280000.

The previous prime is 230111230997. The next prime is 230111231041. The reversal of 230111231020 is 20132111032.

It is a junction number, because it is equal to n+sod(n) for n = 230111230985 and 230111231003.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43570780 + ... + 43576060.

It is an arithmetic number, because the mean of its divisors is an integer number (2902052286).

Almost surely, 2^230111231020 is an apocalyptic number.

230111231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230111231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278597019456).

230111231020 is an abundant number, since it is smaller than the sum of its proper divisors (327082807892).

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

230111231020 is a wasteful number, since it uses less digits than its factorization.

230111231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492 (or 5490 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 230111231020 its reverse (20132111032), we get a palindrome (250243342052).

The spelling of 230111231020 in words is "two hundred thirty billion, one hundred eleven million, two hundred thirty-one thousand, twenty".