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23143043020 = 22519357710391
BaseRepresentation
bin10101100011011011…
…101100111111001100
32012201212201101201111
4111203123230333030
5334344104334040
614344243421404
71446335422426
oct254333547714
965655641644
1023143043020
1198a670a839
12459a684864
13224a8c35c6
1411978c5816
15906b67dea
hex5636ecfcc

23143043020 has 48 divisors (see below), whose sum is σ = 48941581248. Its totient is φ = 9192407040.

The previous prime is 23143042987. The next prime is 23143043023. The reversal of 23143043020 is 2034034132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23143042982 and 23143043000.

It is not an unprimeable number, because it can be changed into a prime (23143043023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222025 + ... + 2232415.

It is an arithmetic number, because the mean of its divisors is an integer number (1019616276).

Almost surely, 223143043020 is an apocalyptic number.

23143043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23143043020 is an abundant number, since it is smaller than the sum of its proper divisors (25798538228).

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

23143043020 is a wasteful number, since it uses less digits than its factorization.

23143043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170 (or 11168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23143043020 its reverse (2034034132), we get a palindrome (25177077152).

The spelling of 23143043020 in words is "twenty-three billion, one hundred forty-three million, forty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 193 386 577 772 965 1154 1930 2308 2885 3860 5770 10391 11540 20782 41564 51955 103910 111361 207820 222722 445444 556805 1113610 2005463 2227220 4010926 5995607 8021852 10027315 11991214 20054630 23982428 29978035 40109260 59956070 119912140 1157152151 2314304302 4628608604 5785760755 11571521510 23143043020