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23645023239 = 328032811871
BaseRepresentation
bin10110000001010110…
…100110110000000111
32021000212021122010110
4112001112212300013
5341411111220424
614510134524103
71464642244545
oct260126466007
967025248113
1023645023239
11a033aa9a22
1246ba806633
1322ca8bcb16
141204434d95
15935c72c29
hex5815a6c07

23645023239 has 8 divisors (see below), whose sum is σ = 31537956352. Its totient is φ = 15757719480.

The previous prime is 23645023231. The next prime is 23645023243. The reversal of 23645023239 is 93232054632.

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

It is not a de Polignac number, because 23645023239 - 23 = 23645023231 is a prime.

It is a super-2 number, since 2×236450232392 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23645023197 and 23645023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23645023231) 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, 1397527 + ... + 1414344.

It is an arithmetic number, because the mean of its divisors is an integer number (3942244544).

Almost surely, 223645023239 is an apocalyptic number.

23645023239 is a deficient number, since it is larger than the sum of its proper divisors (7892933113).

23645023239 is a wasteful number, since it uses less digits than its factorization.

23645023239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814677.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 23645023239 in words is "twenty-three billion, six hundred forty-five million, twenty-three thousand, two hundred thirty-nine".

Divisors: 1 3 2803 8409 2811871 8435613 7881674413 23645023239