233020340 has 24 divisors (see below), whose sum is σ = 559249152. Its totient is φ = 79892640.

The previous prime is 233020289. The next prime is 233020357. The reversal of 233020340 is 43020332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832076 + ... + 832355.

It is an arithmetic number, because the mean of its divisors is an integer number (23302048).

Almost surely, 2^233020340 is an apocalyptic number.

233020340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233020340 is an abundant number, since it is smaller than the sum of its proper divisors (326228812).

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

233020340 is a wasteful number, since it uses less digits than its factorization.

233020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664447 (or 1664445 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 233020340 is about 15265.0037667863. The cubic root of 233020340 is about 615.3628545911.

Adding to 233020340 its reverse (43020332), we get a palindrome (276040672).

The spelling of 233020340 in words is "two hundred thirty-three million, twenty thousand, three hundred forty".