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23663001 = 321373691
BaseRepresentation
bin101101001000…
…1000110011001
31122112012112110
41122101012121
522024204001
62203102533
7405063225
oct132210631
948465473
1023663001
11123a23aa
127b11a49
134b9679b
1431dd785
1521263d6
hex1691199

23663001 has 8 divisors (see below), whose sum is σ = 31573984. Its totient is φ = 15763680.

The previous prime is 23662981. The next prime is 23663011. The reversal of 23663001 is 10036632.

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

It is not a de Polignac number, because 23663001 - 29 = 23662489 is a prime.

It is a super-3 number, since 3×236630013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23663011) 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, 4566 + ... + 8256.

It is an arithmetic number, because the mean of its divisors is an integer number (3946748).

Almost surely, 223663001 is an apocalyptic number.

It is an amenable number.

23663001 is a deficient number, since it is larger than the sum of its proper divisors (7910983).

23663001 is a wasteful number, since it uses less digits than its factorization.

23663001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23663001 is about 4864.4630741738. The cubic root of 23663001 is about 287.0934432503.

Adding to 23663001 its reverse (10036632), we get a palindrome (33699633).

The spelling of 23663001 in words is "twenty-three million, six hundred sixty-three thousand, one".

Divisors: 1 3 2137 3691 6411 11073 7887667 23663001