23303250305540 has 24 divisors (see below), whose sum is σ = 48936918526272. Its totient is φ = 9321282429920.

The previous prime is 23303250305509. The next prime is 23303250305557. The reversal of 23303250305540 is 4550305230332.

It is a self number, because there is not a number n which added to its sum of digits gives 23303250305540.

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, 16644095 + ... + 17989785.

It is an arithmetic number, because the mean of its divisors is an integer number (2039038271928).

Almost surely, 2^{23303250305540} is an apocalyptic number.

23303250305540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23303250305540 is an abundant number, since it is smaller than the sum of its proper divisors (25633668220732).

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

23303250305540 is a wasteful number, since it uses less digits than its factorization.

23303250305540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211547 (or 2211545 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 35.

Adding to 23303250305540 its reverse (4550305230332), we get a palindrome (27853555535872).

The spelling of 23303250305540 in words is "twenty-three trillion, three hundred three billion, two hundred fifty million, three hundred five thousand, five hundred forty".