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23022056431 = 114523462727
BaseRepresentation
bin10101011100001110…
…001011001111101111
32012102110001122022201
4111130032023033233
5334122121301211
614324242322331
71443336152023
oct253416131757
965373048281
1023022056431
119844394820
1245660593a7
13222b8125ca
1411857d0383
158eb21a0c1
hex55c38b3ef

23022056431 has 8 divisors (see below), whose sum is σ = 25120577664. Its totient is φ = 20924469720.

The previous prime is 23022056413. The next prime is 23022056437. The reversal of 23022056431 is 13465022032.

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

It is not a de Polignac number, because 23022056431 - 213 = 23022048239 is a prime.

It is a super-2 number, since 2×230220564312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23022056431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022056437) 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, 181611 + ... + 281116.

It is an arithmetic number, because the mean of its divisors is an integer number (3140072208).

Almost surely, 223022056431 is an apocalyptic number.

23022056431 is a deficient number, since it is larger than the sum of its proper divisors (2098521233).

23022056431 is a wasteful number, since it uses less digits than its factorization.

23022056431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467261.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 23022056431 its reverse (13465022032), we get a palindrome (36487078463).

The spelling of 23022056431 in words is "twenty-three billion, twenty-two million, fifty-six thousand, four hundred thirty-one".

Divisors: 1 11 4523 49753 462727 5089997 2092914221 23022056431