Search a number
-
+
23443420000 = 2554711131171
BaseRepresentation
bin10101110101010101…
…100011001101100000
32020111210221010110211
4111311111203031200
5341003003420000
614434133503504
71456643532160
oct256525431540
966453833424
1023443420000
119a40221480
1246631a1b94
132297bc3b70
1411c57565a0
159231ed7ba
hex575563360

23443420000 has 480 divisors, whose sum is σ = 77502991104. Its totient is φ = 6739200000.

The previous prime is 23443419991. The next prime is 23443420051. The reversal of 23443420000 is 2434432.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 20019415 + ... + 20020585.

Almost surely, 223443420000 is an apocalyptic number.

23443420000 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 23443420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38751495552).

23443420000 is an abundant number, since it is smaller than the sum of its proper divisors (54059571104).

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

23443420000 is a wasteful number, since it uses less digits than its factorization.

23443420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23443420000 its reverse (2434432), we get a palindrome (23445854432).

The spelling of 23443420000 in words is "twenty-three billion, four hundred forty-three million, four hundred twenty thousand".