233121230 has 16 divisors (see below), whose sum is σ = 421818624. Its totient is φ = 92759520.

The previous prime is 233121223. The next prime is 233121233. The reversal of 233121230 is 32121332.

It is a junction number, because it is equal to n+sod(n) for n = 233121199 and 233121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233121233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59117 + ... + 62936.

It is an arithmetic number, because the mean of its divisors is an integer number (26363664).

Almost surely, 2^233121230 is an apocalyptic number.

233121230 is a deficient number, since it is larger than the sum of its proper divisors (188697394).

233121230 is a wasteful number, since it uses less digits than its factorization.

233121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122251.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 233121230 is about 15268.3080267592. The cubic root of 233121230 is about 615.4516522764.

Adding to 233121230 its reverse (32121332), we get a palindrome (265242562).

It can be divided in two parts, 23312 and 1230, that added together give a palindrome (24542).

The spelling of 233121230 in words is "two hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty".