233421100 has 108 divisors (see below), whose sum is σ = 565213824. Its totient is φ = 83600000.

The previous prime is 233421079. The next prime is 233421109. The reversal of 233421100 is 1124332.

It is a happy number.

233421100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (233421109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1222005 + ... + 1222195.

Almost surely, 2^233421100 is an apocalyptic number.

233421100 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 233421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282606912).

233421100 is an abundant number, since it is smaller than the sum of its proper divisors (331792724).

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

233421100 is a wasteful number, since it uses less digits than its factorization.

233421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 233421100 is about 15278.1248849458. The cubic root of 233421100 is about 615.7154297834.

Adding to 233421100 its reverse (1124332), we get a palindrome (234545432).

It can be divided in two parts, 23342 and 1100, that added together give a palindrome (24442).

The spelling of 233421100 in words is "two hundred thirty-three million, four hundred twenty-one thousand, one hundred".