233640653230140 has 96 divisors (see below), whose sum is σ = 704877541165056. Its totient is φ = 57482067052800.

The previous prime is 233640653230133. The next prime is 233640653230141. The reversal of 233640653230140 is 41032356046332.

It is a junction number, because it is equal to n+sod(n) for n = 233640653230092 and 233640653230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233640653230141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75243802 + ... + 78287361.

It is an arithmetic number, because the mean of its divisors is an integer number (7342474387136).

Almost surely, 2^{233640653230140} is an apocalyptic number.

233640653230140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233640653230140 is an abundant number, since it is smaller than the sum of its proper divisors (471236887934916).

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

233640653230140 is a wasteful number, since it uses less digits than its factorization.

233640653230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153533139 (or 153533137 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 233640653230140 in words is "two hundred thirty-three trillion, six hundred forty billion, six hundred fifty-three million, two hundred thirty thousand, one hundred forty".