Base | Representation |
---|---|
bin | 10101101101100000… |
… | …010001001011110111 |
3 | 2020011122122220121201 |
4 | 111231200101023313 |
5 | 340220333341043 |
6 | 14413121153331 |
7 | 1453456555426 |
oct | 255540211367 |
9 | 66148586551 |
10 | 23312012023 |
11 | 9983028743 |
12 | 462718b847 |
13 | 2276904571 |
14 | 11b210b2bd |
15 | 9168e2c4d |
hex | 56d8112f7 |
23312012023 has 4 divisors (see below), whose sum is σ = 23942066440. Its totient is φ = 22681957608.
The previous prime is 23312011993. The next prime is 23312012039. The reversal of 23312012023 is 32021021332.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23312012023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23312019023) 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, 315027153 + ... + 315027226.
It is an arithmetic number, because the mean of its divisors is an integer number (5985516610).
Almost surely, 223312012023 is an apocalyptic number.
23312012023 is a deficient number, since it is larger than the sum of its proper divisors (630054417).
23312012023 is an equidigital number, since it uses as much as digits as its factorization.
23312012023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630054416.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23312012023 its reverse (32021021332), we get a palindrome (55333033355).
The spelling of 23312012023 in words is "twenty-three billion, three hundred twelve million, twelve thousand, twenty-three".
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