23223131520304 has 80 divisors (see below), whose sum is σ = 49442947948800. Its totient is φ = 10517739141888.

The previous prime is 23223131520271. The next prime is 23223131520341. The reversal of 23223131520304 is 40302513132232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16008747 + ... + 17399029.

It is an arithmetic number, because the mean of its divisors is an integer number (618036849360).

Almost surely, 2^{23223131520304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23223131520304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24721473974400).

23223131520304 is an abundant number, since it is smaller than the sum of its proper divisors (26219816428496).

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

23223131520304 is a wasteful number, since it uses less digits than its factorization.

23223131520304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392722 (or 1392716 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 23223131520304 its reverse (40302513132232), we get a palindrome (63525644652536).

The spelling of 23223131520304 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred thirty-one million, five hundred twenty thousand, three hundred four".