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23408223 = 316746723
BaseRepresentation
bin101100101001…
…0111001011111
31122001021001020
41121102321133
521443030343
62153415223
7402652356
oct131227137
948037036
1023408223
1112238a43
127a0a513
134b07827
14317499d
1520c5b83
hex1652e5f

23408223 has 8 divisors (see below), whose sum is σ = 31398528. Its totient is φ = 15511704.

The previous prime is 23408219. The next prime is 23408233. The reversal of 23408223 is 32280432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23408223 - 22 = 23408219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23408193 and 23408202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23408233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22861 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (3924816).

Almost surely, 223408223 is an apocalyptic number.

23408223 is a deficient number, since it is larger than the sum of its proper divisors (7990305).

23408223 is a wasteful number, since it uses less digits than its factorization.

23408223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46893.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 23408223 is about 4838.2045223409. The cubic root of 23408223 is about 286.0593508137.

Adding to 23408223 its reverse (32280432), we get a palindrome (55688655).

The spelling of 23408223 in words is "twenty-three million, four hundred eight thousand, two hundred twenty-three".

Divisors: 1 3 167 501 46723 140169 7802741 23408223