23133334240 has 24 divisors (see below), whose sum is σ = 54652502520. Its totient is φ = 9253333632.

The previous prime is 23133334223. The next prime is 23133334267. The reversal of 23133334240 is 4243333132.

It is a happy number.

It is a super-3 number, since 3×23133334240³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23133334199 and 23133334208.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 72291510 + ... + 72291829.

It is an arithmetic number, because the mean of its divisors is an integer number (2277187605).

Almost surely, 2^23133334240 is an apocalyptic number.

23133334240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133334240 is an abundant number, since it is smaller than the sum of its proper divisors (31519168280).

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

23133334240 is a wasteful number, since it uses less digits than its factorization.

23133334240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144583354 (or 144583346 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23133334240 its reverse (4243333132), we get a palindrome (27376667372).

The spelling of 23133334240 in words is "twenty-three billion, one hundred thirty-three million, three hundred thirty-four thousand, two hundred forty".