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23123030300 = 2252231230303
BaseRepresentation
bin10101100010001111…
…010111000100011100
32012200111001122102122
4111202033113010130
5334323443432200
614342250442112
71446003341336
oct254217270434
965614048378
1023123030300
1198963909a7
124593a33338
132246707466
141194d96456
15905013385
hex5623d711c

23123030300 has 18 divisors (see below), whose sum is σ = 50176975968. Its totient is φ = 9249212080.

The previous prime is 23123030299. The next prime is 23123030303. The reversal of 23123030300 is 303032132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123030303) 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 5 ways as a sum of consecutive naturals, for example, 115615052 + ... + 115615251.

It is an arithmetic number, because the mean of its divisors is an integer number (2787609776).

Almost surely, 223123030300 is an apocalyptic number.

23123030300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123030300 is an abundant number, since it is smaller than the sum of its proper divisors (27053945668).

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

23123030300 is a wasteful number, since it uses less digits than its factorization.

23123030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231230317 (or 231230310 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23123030300 its reverse (303032132), we get a palindrome (23426062432).

The spelling of 23123030300 in words is "twenty-three billion, one hundred twenty-three million, thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 231230303 462460606 924921212 1156151515 2312303030 4624606060 5780757575 11561515150 23123030300