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23043120 = 243596013
BaseRepresentation
bin101011111100…
…1110000110000
31121100201012220
41113321300300
521344334440
62141521040
7366602052
oct127716060
947321186
1023043120
1112009701
127873180
134a0a5a9
1430bb8d2
1520528d0
hex15f9c30

23043120 has 40 divisors (see below), whose sum is σ = 71434416. Its totient is φ = 6144768.

The previous prime is 23043103. The next prime is 23043149. The reversal of 23043120 is 2134032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23043120.

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 7 ways as a sum of consecutive naturals, for example, 47767 + ... + 48246.

Almost surely, 223043120 is an apocalyptic number.

23043120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043120 is an abundant number, since it is smaller than the sum of its proper divisors (48391296).

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

23043120 is a wasteful number, since it uses less digits than its factorization.

23043120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96029 (or 96023 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23043120 is about 4800.3249889981. The cubic root of 23043120 is about 284.5643081164.

Adding to 23043120 its reverse (2134032), we get a palindrome (25177152).

The spelling of 23043120 in words is "twenty-three million, forty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 96013 192026 288039 384052 480065 576078 768104 960130 1152156 1440195 1536208 1920260 2304312 2880390 3840520 4608624 5760780 7681040 11521560 23043120