233023540 has 12 divisors (see below), whose sum is σ = 489349476. Its totient is φ = 93209408.

The previous prime is 233023529. The next prime is 233023577. The reversal of 233023540 is 45320332.

233023540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68260644 + 164762896 = 8262^2 + 12836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825569 + ... + 5825608.

It is an arithmetic number, because the mean of its divisors is an integer number (40779123).

Almost surely, 2^233023540 is an apocalyptic number.

233023540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233023540 is an abundant number, since it is smaller than the sum of its proper divisors (256325936).

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

233023540 is a wasteful number, since it uses less digits than its factorization.

233023540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651186 (or 11651184 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 233023540 is about 15265.1085813367. The cubic root of 233023540 is about 615.3656714441.

Adding to 233023540 its reverse (45320332), we get a palindrome (278343872).

The spelling of 233023540 in words is "two hundred thirty-three million, twenty-three thousand, five hundred forty".