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23089723 = 172359053
BaseRepresentation
bin101100000010…
…1001000111011
31121110002010221
41120011020323
521402332343
62142520511
7400154656
oct130051073
947402127
1023089723
1112040718
127896137
134a25877
1430d089d
1520615ed
hex160523b

23089723 has 8 divisors (see below), whose sum is σ = 25511328. Its totient is φ = 20786304.

The previous prime is 23089721. The next prime is 23089733. The reversal of 23089723 is 32798032.

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

It is a cyclic number.

It is not a de Polignac number, because 23089723 - 21 = 23089721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23089721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29136 + ... + 29917.

It is an arithmetic number, because the mean of its divisors is an integer number (3188916).

Almost surely, 223089723 is an apocalyptic number.

23089723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23089723 is a deficient number, since it is larger than the sum of its proper divisors (2421605).

23089723 is a wasteful number, since it uses less digits than its factorization.

23089723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59093.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 23089723 is about 4805.1766876984. The cubic root of 23089723 is about 284.7560156675.

The spelling of 23089723 in words is "twenty-three million, eighty-nine thousand, seven hundred twenty-three".

Divisors: 1 17 23 391 59053 1003901 1358219 23089723