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23042823 = 337207593
BaseRepresentation
bin101011111100…
…1101100000111
31121100200210220
41113321230013
521344332243
62141515423
7366601146
oct127715407
947320726
1023042823
1112009461
127872b73
134a0a40b
1430bb75d
152052783
hex15f9b07

23042823 has 8 divisors (see below), whose sum is σ = 31554288. Its totient is φ = 14946624.

The previous prime is 23042819. The next prime is 23042869. The reversal of 23042823 is 32824032.

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

It is not a de Polignac number, because 23042823 - 22 = 23042819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23042793 and 23042802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042423) 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, 103686 + ... + 103907.

It is an arithmetic number, because the mean of its divisors is an integer number (3944286).

Almost surely, 223042823 is an apocalyptic number.

23042823 is a deficient number, since it is larger than the sum of its proper divisors (8511465).

23042823 is a wasteful number, since it uses less digits than its factorization.

23042823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207633.

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

The square root of 23042823 is about 4800.2940534930. The cubic root of 23042823 is about 284.5630855394.

Adding to 23042823 its reverse (32824032), we get a palindrome (55866855).

The spelling of 23042823 in words is "twenty-three million, forty-two thousand, eight hundred twenty-three".

Divisors: 1 3 37 111 207593 622779 7680941 23042823