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23312023 = 73330289
BaseRepresentation
bin101100011101…
…1011010010111
31121212101002021
41120323122113
521431441043
62151354011
7402102040
oct130733227
947771067
1023312023
1112182739
127982907
134aa2ac7
14314b8c7
1520a73ed
hex163b697

23312023 has 4 divisors (see below), whose sum is σ = 26642320. Its totient is φ = 19981728.

The previous prime is 23312017. The next prime is 23312053. The reversal of 23312023 is 32021332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23312023 - 25 = 23311991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23311988 and 23312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312053) 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, 1665138 + ... + 1665151.

It is an arithmetic number, because the mean of its divisors is an integer number (6660580).

Almost surely, 223312023 is an apocalyptic number.

23312023 is a deficient number, since it is larger than the sum of its proper divisors (3330297).

23312023 is an equidigital number, since it uses as much as digits as its factorization.

23312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330296.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23312023 is about 4828.2525824567. The cubic root of 23312023 is about 285.6669432154. Note that the first 3 decimals are identical.

Adding to 23312023 its reverse (32021332), we get a palindrome (55333355).

The spelling of 23312023 in words is "twenty-three million, three hundred twelve thousand, twenty-three".

Divisors: 1 7 3330289 23312023