Base | Representation |
---|---|
bin | 111001010101100011… |
… | …1110000110110000111 |
3 | 102202211010212021021110 |
4 | 1302223013300312013 |
5 | 4004132241221203 |
6 | 132322023420103 |
7 | 11616163633530 |
oct | 1625307606607 |
9 | 382733767243 |
10 | 123130023303 |
11 | 48245762a41 |
12 | 1ba43bb4633 |
13 | b7c37c4b71 |
14 | 5d60d17687 |
15 | 3309b7ed03 |
hex | 1cab1f0d87 |
123130023303 has 32 divisors (see below), whose sum is σ = 188649077760. Its totient is φ = 69976892160.
The previous prime is 123130023283. The next prime is 123130023323. The reversal of 123130023303 is 303320031321.
It is an interprime number because it is at equal distance from previous prime (123130023283) and next prime (123130023323).
It is not a de Polignac number, because 123130023303 - 213 = 123130015111 is a prime.
It is a super-2 number, since 2×1231300233032 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 123130023303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123130023323) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19353843 + ... + 19360203.
It is an arithmetic number, because the mean of its divisors is an integer number (5895283680).
Almost surely, 2123130023303 is an apocalyptic number.
123130023303 is a deficient number, since it is larger than the sum of its proper divisors (65519054457).
123130023303 is a wasteful number, since it uses less digits than its factorization.
123130023303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11247.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 123130023303 its reverse (303320031321), we get a palindrome (426450054624).
The spelling of 123130023303 in words is "one hundred twenty-three billion, one hundred thirty million, twenty-three thousand, three hundred three".
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