233012503540 has 12 divisors (see below), whose sum is σ = 489326257476. Its totient is φ = 93205001408.

The previous prime is 233012503483. The next prime is 233012503541. The reversal of 233012503540 is 45305210332.

It can be written as a sum of positive squares in 2 ways, for example, as 87703637904 + 145308865636 = 296148^2 + 381194^2 .

It is a super-3 number, since 3×233012503540³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233012503499 and 233012503508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233012503541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825312569 + ... + 5825312608.

It is an arithmetic number, because the mean of its divisors is an integer number (40777188123).

Almost surely, 2^233012503540 is an apocalyptic number.

233012503540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233012503540 is an abundant number, since it is smaller than the sum of its proper divisors (256313753936).

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

233012503540 is a wasteful number, since it uses less digits than its factorization.

233012503540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650625186 (or 11650625184 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 233012503540 its reverse (45305210332), we get a palindrome (278317713872).

The spelling of 233012503540 in words is "two hundred thirty-three billion, twelve million, five hundred three thousand, five hundred forty".