23231111344320 has 224 divisors, whose sum is σ = 80629363938816. Its totient is φ = 5620219084800.

The previous prime is 23231111344283. The next prime is 23231111344339. The reversal of 23231111344320 is 2344311113232.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 2884080 + ... + 7401360.

It is an arithmetic number, because the mean of its divisors is an integer number (359952517584).

Almost surely, 2^{23231111344320} is an apocalyptic number.

23231111344320 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 23231111344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40314681969408).

23231111344320 is an abundant number, since it is smaller than the sum of its proper divisors (57398252594496).

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

23231111344320 is a wasteful number, since it uses less digits than its factorization.

23231111344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517799 (or 4517789 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 23231111344320 its reverse (2344311113232), we get a palindrome (25575422457552).

The spelling of 23231111344320 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred eleven million, three hundred forty-four thousand, three hundred twenty".