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23030200123 = 73290028589
BaseRepresentation
bin10101011100101101…
…001111011100111011
32012110000101101100221
4111130231033130323
5334131212400443
614325133040511
71443465320410
oct253455173473
965400341327
1023030200123
119848a47247
124568926137
132230404268
141186910107
158ebcc7eed
hex55cb4f73b

23030200123 has 4 divisors (see below), whose sum is σ = 26320228720. Its totient is φ = 19740171528.

The previous prime is 23030200121. The next prime is 23030200133. The reversal of 23030200123 is 32100203032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23030200123 - 21 = 23030200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23030200097 and 23030200106.

It is not an unprimeable number, because it can be changed into a prime (23030200121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645014288 + ... + 1645014301.

It is an arithmetic number, because the mean of its divisors is an integer number (6580057180).

Almost surely, 223030200123 is an apocalyptic number.

23030200123 is a deficient number, since it is larger than the sum of its proper divisors (3290028597).

23030200123 is an equidigital number, since it uses as much as digits as its factorization.

23030200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290028596.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23030200123 its reverse (32100203032), we get a palindrome (55130403155).

The spelling of 23030200123 in words is "twenty-three billion, thirty million, two hundred thousand, one hundred twenty-three".

Divisors: 1 7 3290028589 23030200123