23311021122000 has 120 divisors (see below), whose sum is σ = 81417626501640. Its totient is φ = 6216272294400.

The previous prime is 23311021121987. The next prime is 23311021122007. The reversal of 23311021122000 is 22112011332.

23311021122000 is a `hidden beast` number, since 2 + 331 + 102 + 11 + 220 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 534875747904 + 22776145374096 = 731352^2 + 4772436^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311021122007) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 647510365 + ... + 647546364.

It is an arithmetic number, because the mean of its divisors is an integer number (678480220847).

Almost surely, 2^{23311021122000} is an apocalyptic number.

23311021122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311021122000 is an abundant number, since it is smaller than the sum of its proper divisors (58106605379640).

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

23311021122000 is a wasteful number, since it uses less digits than its factorization.

23311021122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295056758 (or 1295056739 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23311021122000 its reverse (22112011332), we get a palindrome (23333133133332).

The spelling of 23311021122000 in words is "twenty-three trillion, three hundred eleven billion, twenty-one million, one hundred twenty-two thousand".