23320301312 has 144 divisors (see below), whose sum is σ = 60560220672. Its totient is φ = 8690626560.

The previous prime is 23320301311. The next prime is 23320301321. The reversal of 23320301312 is 21310302332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320301311) 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, 427658 + ... + 479094.

It is an arithmetic number, because the mean of its divisors is an integer number (420557088).

Almost surely, 2^23320301312 is an apocalyptic number.

23320301312 is a gapful number since it is divisible by the number (22) 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 23320301312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30280110336).

23320301312 is an abundant number, since it is smaller than the sum of its proper divisors (37239919360).

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

23320301312 is a wasteful number, since it uses less digits than its factorization.

23320301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51494 (or 51480 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23320301312 its reverse (21310302332), we get a palindrome (44630603644).

The spelling of 23320301312 in words is "twenty-three billion, three hundred twenty million, three hundred one thousand, three hundred twelve".