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23323643 = 717195997
BaseRepresentation
bin101100011111…
…0001111111011
31121212222000122
41120332033323
521432324033
62151523455
7402150650
oct130761773
947788018
1023323643
1112190442
12798958b
134aa8195
143151c27
1520aaa98
hex163e3fb

23323643 has 8 divisors (see below), whose sum is σ = 28223712. Its totient is φ = 18815616.

The previous prime is 23323639. The next prime is 23323649. The reversal of 23323643 is 34632332.

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 23323643 - 22 = 23323639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23323649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97880 + ... + 98117.

It is an arithmetic number, because the mean of its divisors is an integer number (3527964).

Almost surely, 223323643 is an apocalyptic number.

23323643 is a deficient number, since it is larger than the sum of its proper divisors (4900069).

23323643 is a wasteful number, since it uses less digits than its factorization.

23323643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196021.

The product of its digits is 7776, while the sum is 26.

The square root of 23323643 is about 4829.4557664399. The cubic root of 23323643 is about 285.7143993928.

Adding to 23323643 its reverse (34632332), we get a palindrome (57955975).

The spelling of 23323643 in words is "twenty-three million, three hundred twenty-three thousand, six hundred forty-three".

Divisors: 1 7 17 119 195997 1371979 3331949 23323643