23011233353240 has 64 divisors (see below), whose sum is σ = 56544392770560. Its totient is φ = 8358495361920.

The previous prime is 23011233353191. The next prime is 23011233353257. The reversal of 23011233353240 is 4235333211032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23011233353197 and 23011233353206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28431272 + ... + 29229431.

It is an arithmetic number, because the mean of its divisors is an integer number (883506137040).

Almost surely, 2^{23011233353240} is an apocalyptic number.

23011233353240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011233353240 is an abundant number, since it is smaller than the sum of its proper divisors (33533159417320).

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

23011233353240 is a wasteful number, since it uses less digits than its factorization.

23011233353240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57661632 (or 57661628 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 23011233353240 its reverse (4235333211032), we get a palindrome (27246566564272).

The spelling of 23011233353240 in words is "twenty-three trillion, eleven billion, two hundred thirty-three million, three hundred fifty-three thousand, two hundred forty".