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23020230000 = 243544491709
BaseRepresentation
bin10101011100000111…
…001101010101110000
32012102022121211221010
4111130013031111300
5334121134330000
614324135230520
71443314504115
oct253407152560
965368554833
1023020230000
119843357579
124565518440
13222b323191
14118547690c
158eaea8d50
hex55c1cd570

23020230000 has 200 divisors, whose sum is σ = 74521458000. Its totient is φ = 6121472000.

The previous prime is 23020229993. The next prime is 23020230001. The reversal of 23020230000 is 3202032.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020230001) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 13469146 + ... + 13470854.

It is an arithmetic number, because the mean of its divisors is an integer number (372607290).

Almost surely, 223020230000 is an apocalyptic number.

23020230000 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 23020230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37260729000).

23020230000 is an abundant number, since it is smaller than the sum of its proper divisors (51501228000).

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

23020230000 is a wasteful number, since it uses less digits than its factorization.

23020230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 23020230000 its reverse (3202032), we get a palindrome (23023432032).

The spelling of 23020230000 in words is "twenty-three billion, twenty million, two hundred thirty thousand".