23311201320000 has 420 divisors, whose sum is σ = 91085426470896. Its totient is φ = 5651199360000.

The previous prime is 23311201319981. The next prime is 23311201320013. The reversal of 23311201320000 is 2310211332.

23311201320000 is a `hidden beast` number, since 2 + 331 + 12 + 0 + 1 + 320 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1016667 + ... + 6903333.

Almost surely, 2^{23311201320000} is an apocalyptic number.

23311201320000 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 23311201320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45542713235448).

23311201320000 is an abundant number, since it is smaller than the sum of its proper divisors (67774225150896).

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

23311201320000 is a wasteful number, since it uses less digits than its factorization.

23311201320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886716 (or 5886688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23311201320000 its reverse (2310211332), we get a palindrome (23313511531332).

The spelling of 23311201320000 in words is "twenty-three trillion, three hundred eleven billion, two hundred one million, three hundred twenty thousand".