233323204240 has 80 divisors (see below), whose sum is σ = 621700565760. Its totient is φ = 79773626880.

The previous prime is 233323204201. The next prime is 233323204259. The reversal of 233323204240 is 42402323332.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 233323204199 and 233323204208.

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 15 ways as a sum of consecutive naturals, for example, 379251 + ... + 781330.

It is an arithmetic number, because the mean of its divisors is an integer number (7771257072).

Almost surely, 2^233323204240 is an apocalyptic number.

233323204240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233323204240 is an abundant number, since it is smaller than the sum of its proper divisors (388377361520).

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

233323204240 is a wasteful number, since it uses less digits than its factorization.

233323204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160960 (or 1160954 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 233323204240 its reverse (42402323332), we get a palindrome (275725527572).

The spelling of 233323204240 in words is "two hundred thirty-three billion, three hundred twenty-three million, two hundred four thousand, two hundred forty".