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23323320 = 233251737103
BaseRepresentation
bin101100011111…
…0001010111000
31121212221120200
41120332022320
521432321240
62151522200
7402150006
oct130761270
947787520
1023323320
1112190179
127989360
134aa7ca7
143151a76
1520aa930
hex163e2b8

23323320 has 192 divisors, whose sum is σ = 83229120. Its totient is φ = 5640192.

The previous prime is 23323297. The next prime is 23323331. The reversal of 23323320 is 2332332.

23323320 is a `hidden beast` number, since 2 + 332 + 332 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23323293 and 23323302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226389 + ... + 226491.

It is an arithmetic number, because the mean of its divisors is an integer number (433485).

Almost surely, 223323320 is an apocalyptic number.

23323320 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 23323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41614560).

23323320 is an abundant number, since it is smaller than the sum of its proper divisors (59905800).

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

23323320 is a wasteful number, since it uses less digits than its factorization.

23323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 23323320 is about 4829.4223257031. The cubic root of 23323320 is about 285.7130804711.

Adding to 23323320 its reverse (2332332), we get a palindrome (25655652).

The spelling of 23323320 in words is "twenty-three million, three hundred twenty-three thousand, three hundred twenty".