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23023221143 = 1331477316651
BaseRepresentation
bin10101011100010010…
…100111100110010111
32012102112020211000012
4111130102213212113
5334122421034033
614324323310435
71443352102466
oct253422474627
965375224005
1023023221143
11984500a89a
12456651b41b
13222bb2c7a0
141185a149dd
158eb39a248
hex55c4a7997

23023221143 has 32 divisors (see below), whose sum is σ = 26498260992. Its totient is φ = 19852128000.

The previous prime is 23023221131. The next prime is 23023221163. The reversal of 23023221143 is 34112232032.

It is a cyclic number.

It is not a de Polignac number, because 23023221143 - 24 = 23023221127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023221163) 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 31 ways as a sum of consecutive naturals, for example, 1374368 + ... + 1391018.

It is an arithmetic number, because the mean of its divisors is an integer number (828070656).

Almost surely, 223023221143 is an apocalyptic number.

23023221143 is a deficient number, since it is larger than the sum of its proper divisors (3475039849).

23023221143 is a wasteful number, since it uses less digits than its factorization.

23023221143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23023221143 its reverse (34112232032), we get a palindrome (57135453175).

The spelling of 23023221143 in words is "twenty-three billion, twenty-three million, two hundred twenty-one thousand, one hundred forty-three".

Divisors: 1 13 31 47 73 403 611 949 1457 2263 3431 16651 18941 29419 44603 106361 216463 516181 782597 1215523 1382693 6710353 10173761 15801799 24260507 37681213 57129581 315386591 489855769 742684553 1771017011 23023221143