233113140520 has 64 divisors (see below), whose sum is σ = 565311479040. Its totient is φ = 86002387200.

The previous prime is 233113140517. The next prime is 233113140527. The reversal of 233113140520 is 25041311332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (233113140527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458035 + ... + 822205.

It is an arithmetic number, because the mean of its divisors is an integer number (8832991860).

Almost surely, 2^233113140520 is an apocalyptic number.

233113140520 is a gapful number since it is divisible by the number (20) 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 233113140520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282655739520).

233113140520 is an abundant number, since it is smaller than the sum of its proper divisors (332198338520).

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

233113140520 is a wasteful number, since it uses less digits than its factorization.

233113140520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365426 (or 365422 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 233113140520 its reverse (25041311332), we get a palindrome (258154451852).

The spelling of 233113140520 in words is "two hundred thirty-three billion, one hundred thirteen million, one hundred forty thousand, five hundred twenty".