233452523540 has 24 divisors (see below), whose sum is σ = 493540576200. Its totient is φ = 92754290048.

The previous prime is 233452523519. The next prime is 233452523567. The reversal of 233452523540 is 45325254332.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 233449383556 = 1772^2 + 483166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233452523494 and 233452523503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39166907 + ... + 39172866.

It is an arithmetic number, because the mean of its divisors is an integer number (20564190675).

Almost surely, 2^233452523540 is an apocalyptic number.

233452523540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233452523540 is an abundant number, since it is smaller than the sum of its proper divisors (260088052660).

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

233452523540 is a wasteful number, since it uses less digits than its factorization.

233452523540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78339931 (or 78339929 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 233452523540 its reverse (45325254332), we get a palindrome (278777777872).

The spelling of 233452523540 in words is "two hundred thirty-three billion, four hundred fifty-two million, five hundred twenty-three thousand, five hundred forty".