233404421130 has 128 divisors (see below), whose sum is σ = 649945866240. Its totient is φ = 59491713600.

The previous prime is 233404421087. The next prime is 233404421137. The reversal of 233404421130 is 31124404332.

233404421130 is a `hidden beast` number, since 233 + 4 + 0 + 4 + 421 + 1 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 233404421094 and 233404421103.

It is not an unprimeable number, because it can be changed into a prime (233404421137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8997759 + ... + 9023661.

It is an arithmetic number, because the mean of its divisors is an integer number (5077702080).

Almost surely, 2^233404421130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233404421130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324972933120).

233404421130 is an abundant number, since it is smaller than the sum of its proper divisors (416541445110).

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

233404421130 is a wasteful number, since it uses less digits than its factorization.

233404421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27393 (or 27387 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 233404421130 its reverse (31124404332), we get a palindrome (264528825462).

The spelling of 233404421130 in words is "two hundred thirty-three billion, four hundred four million, four hundred twenty-one thousand, one hundred thirty".