233215500 has 288 divisors, whose sum is σ = 836559360. Its totient is φ = 50198400.

The previous prime is 233215471. The next prime is 233215523. The reversal of 233215500 is 5512332.

233215500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1396417 + ... + 1396583.

It is an arithmetic number, because the mean of its divisors is an integer number (2904720).

Almost surely, 2^233215500 is an apocalyptic number.

233215500 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 233215500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418279680).

233215500 is an abundant number, since it is smaller than the sum of its proper divisors (603343860).

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

233215500 is a wasteful number, since it uses less digits than its factorization.

233215500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 233215500 is about 15271.3948282401. The cubic root of 233215500 is about 615.5346002608.

Adding to 233215500 its reverse (5512332), we get a palindrome (238727832).

The spelling of 233215500 in words is "two hundred thirty-three million, two hundred fifteen thousand, five hundred".