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20230023123 = 322247780347
BaseRepresentation
bin10010110101110011…
…011010011111010011
31221012212100122122200
4102311303122133103
5312412341214443
613143223334243
71314214234152
oct226563323723
957185318580
1020230023123
118641358882
123b06bb1383
131ba52445ab
14d9ca81599
157d6055dd3
hex4b5cda7d3

20230023123 has 6 divisors (see below), whose sum is σ = 29221144524. Its totient is φ = 13486682076.

The previous prime is 20230023109. The next prime is 20230023127. The reversal of 20230023123 is 32132003202.

It is a happy number.

It is not a de Polignac number, because 20230023123 - 218 = 20229760979 is a prime.

It is a super-2 number, since 2×202300231232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20230023096 and 20230023105.

It is not an unprimeable number, because it can be changed into a prime (20230023127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123890165 + ... + 1123890182.

It is an arithmetic number, because the mean of its divisors is an integer number (4870190754).

Almost surely, 220230023123 is an apocalyptic number.

20230023123 is a deficient number, since it is larger than the sum of its proper divisors (8991121401).

20230023123 is a wasteful number, since it uses less digits than its factorization.

20230023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247780353 (or 2247780350 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20230023123 its reverse (32132003202), we get a palindrome (52362026325).

The spelling of 20230023123 in words is "twenty billion, two hundred thirty million, twenty-three thousand, one hundred twenty-three".

Divisors: 1 3 9 2247780347 6743341041 20230023123