23231340413312 has 128 divisors (see below), whose sum is σ = 47077903441920. Its totient is φ = 11417511168000.

The previous prime is 23231340413249. The next prime is 23231340413317. The reversal of 23231340413312 is 21331404313232.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231340413317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928439298 + ... + 2928447230.

It is an arithmetic number, because the mean of its divisors is an integer number (367796120640).

Almost surely, 2^{23231340413312} 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 23231340413312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23538951720960).

23231340413312 is an abundant number, since it is smaller than the sum of its proper divisors (23846563028608).

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

23231340413312 is a wasteful number, since it uses less digits than its factorization.

23231340413312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672 (or 9660 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 23231340413312 its reverse (21331404313232), we get a palindrome (44562744726544).

The spelling of 23231340413312 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred forty million, four hundred thirteen thousand, three hundred twelve".