233145668 has 48 divisors (see below), whose sum is σ = 485796864. Its totient is φ = 95800320.

The previous prime is 233145629. The next prime is 233145677. The reversal of 233145668 is 866541332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96896 + ... + 99272.

It is an arithmetic number, because the mean of its divisors is an integer number (10120768).

Almost surely, 2^233145668 is an apocalyptic number.

233145668 is a gapful number since it is divisible by the number (28) 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 233145668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242898432).

233145668 is an abundant number, since it is smaller than the sum of its proper divisors (252651196).

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

233145668 is a wasteful number, since it uses less digits than its factorization.

233145668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532 (or 2530 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 233145668 is about 15269.1082909252. The cubic root of 233145668 is about 615.4731573705.

It can be divided in two parts, 23314 and 5668, that added together give a palindrome (28982).

The spelling of 233145668 in words is "two hundred thirty-three million, one hundred forty-five thousand, six hundred sixty-eight".