234213100 has 72 divisors (see below), whose sum is σ = 558558000. Its totient is φ = 84537600.

The previous prime is 234213073. The next prime is 234213107. The reversal of 234213100 is 1312432.

It is a happy number.

It is a super-2 number, since 2×234213100² = 109711552423220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234213107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163186 + ... + 164614.

It is an arithmetic number, because the mean of its divisors is an integer number (7757750).

Almost surely, 2^234213100 is an apocalyptic number.

234213100 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 234213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279279000).

234213100 is an abundant number, since it is smaller than the sum of its proper divisors (324344900).

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

234213100 is a wasteful number, since it uses less digits than its factorization.

234213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1596 counting only the distinct ones).

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

The square root of 234213100 is about 15304.0223470825. The cubic root of 234213100 is about 616.4110197533.

Adding to 234213100 its reverse (1312432), we get a palindrome (235525532).

The spelling of 234213100 in words is "two hundred thirty-four million, two hundred thirteen thousand, one hundred".