23343256520 has 128 divisors (see below), whose sum is σ = 55830902400. Its totient is φ = 8768256000.

The previous prime is 23343256481. The next prime is 23343256571. The reversal of 23343256520 is 2565234332.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22209995 + ... + 22211045.

It is an arithmetic number, because the mean of its divisors is an integer number (436178925).

Almost surely, 2^23343256520 is an apocalyptic number.

23343256520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23343256520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27915451200).

23343256520 is an abundant number, since it is smaller than the sum of its proper divisors (32487645880).

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

23343256520 is a wasteful number, since it uses less digits than its factorization.

23343256520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 23343256520 in words is "twenty-three billion, three hundred forty-three million, two hundred fifty-six thousand, five hundred twenty".