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23944472243 = 143981166303
BaseRepresentation
bin10110010011001100…
…111010011010110011
32021210201202012221022
4112103030322122303
5343014241102433
614555553050055
71505236440656
oct262314723263
967721665838
1023944472243
11a17803743a
124782b5692b
132347956b93
14123210389d
159521c3698
hex59333a6b3

23944472243 has 4 divisors (see below), whose sum is σ = 23944782528. Its totient is φ = 23944161960.

The previous prime is 23944472231. The next prime is 23944472257. The reversal of 23944472243 is 34227444932.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23944472243 - 28 = 23944471987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23944472194 and 23944472203.

It is not an unprimeable number, because it can be changed into a prime (23944472743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60830 + ... + 227132.

It is an arithmetic number, because the mean of its divisors is an integer number (5986195632).

Almost surely, 223944472243 is an apocalyptic number.

23944472243 is a deficient number, since it is larger than the sum of its proper divisors (310285).

23944472243 is a wasteful number, since it uses less digits than its factorization.

23944472243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310284.

The product of its digits is 1161216, while the sum is 44.

The spelling of 23944472243 in words is "twenty-three billion, nine hundred forty-four million, four hundred seventy-two thousand, two hundred forty-three".

Divisors: 1 143981 166303 23944472243