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23030011000 = 235323030011
BaseRepresentation
bin10101011100101100…
…100001010001111000
32012110000000202221101
4111130230201101320
5334131140323000
614325125021144
71443463602133
oct253454412170
965400022841
1023030011000
119848928147
1245688547b4
132230369159
1411868a121a
158ebc8be6a
hex55cb21478

23030011000 has 32 divisors (see below), whose sum is σ = 53890228080. Its totient is φ = 9212004000.

The previous prime is 23030010989. The next prime is 23030011007. The reversal of 23030011000 is 11003032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030011007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11514006 + ... + 11516005.

Almost surely, 223030011000 is an apocalyptic number.

23030011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030011000 is an abundant number, since it is smaller than the sum of its proper divisors (30860217080).

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

23030011000 is a wasteful number, since it uses less digits than its factorization.

23030011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23030032 (or 23030018 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 23030011000 its reverse (11003032), we get a palindrome (23041014032).

The spelling of 23030011000 in words is "twenty-three billion, thirty million, eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 23030011 46060022 92120044 115150055 184240088 230300110 460600220 575750275 921200440 1151500550 2303001100 2878751375 4606002200 5757502750 11515005500 23030011000