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2123303223132 = 22337131743337877
BaseRepresentation
bin11110111001011110101…
…110111111111101011100
321111222121122121120202000
4132321132232333331130
5234242011111120012
64303233153002300
7306255301415430
oct36713656777534
97458548546660
102123303223132
11749540351383
122a3615b53390
131252c3bbbb30
1474aa87b09c0
153a372e70ddc
hex1ee5ebbff5c

2123303223132 has 768 divisors, whose sum is σ = 7370763079680. Its totient is φ = 512681508864.

The previous prime is 2123303223113. The next prime is 2123303223133. The reversal of 2123303223132 is 2313223033212.

2123303223132 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 303 + 223 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2123303223096 and 2123303223105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123303223133) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2421097878 + ... + 2421098754.

It is an arithmetic number, because the mean of its divisors is an integer number (9597347760).

Almost surely, 22123303223132 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 2123303223132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3685381539840).

2123303223132 is an abundant number, since it is smaller than the sum of its proper divisors (5247459856548).

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

2123303223132 is a wasteful number, since it uses less digits than its factorization.

2123303223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2123303223132 its reverse (2313223033212), we get a palindrome (4436526256344).

The spelling of 2123303223132 in words is "two trillion, one hundred twenty-three billion, three hundred three million, two hundred twenty-three thousand, one hundred thirty-two".