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23021123200 = 275223479653
BaseRepresentation
bin10101011100001010…
…100111011010000000
32012102101022020011121
4111130022213122000
5334121401420300
614324210322024
71443325214155
oct253412473200
965371266147
1023021123200
119843907659
124565889314
13222b5768ba
14118562a22c
158eb0d381a
hex55c2a7680

23021123200 has 192 divisors, whose sum is σ = 59556902400. Its totient is φ = 8776232960.

The previous prime is 23021123173. The next prime is 23021123201. The reversal of 23021123200 is 232112032.

It is a super-2 number, since 2×230211232002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (23021123201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35254074 + ... + 35254726.

It is an arithmetic number, because the mean of its divisors is an integer number (310192200).

Almost surely, 223021123200 is an apocalyptic number.

23021123200 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 23021123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29778451200).

23021123200 is an abundant number, since it is smaller than the sum of its proper divisors (36535779200).

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

23021123200 is a wasteful number, since it uses less digits than its factorization.

23021123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23021123200 its reverse (232112032), we get a palindrome (23253235232).

The spelling of 23021123200 in words is "twenty-three billion, twenty-one million, one hundred twenty-three thousand, two hundred".