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23023023021221 = 471314737259569
BaseRepresentation
bin1010011110000011101110…
…00110111101110010100101
310000111222110001121102212112
411033001313012331302211
511004202122343134341
6120544344124530405
74564233654516566
oct517016706756245
9100458401542775
1023023023021221
117377011317383
1226ba0239b0a05
13cb00a58a3402
1459846ab1616d
1529dd35935aeb
hex14f0771bdca5

23023023021221 has 8 divisors (see below), whose sum is σ = 23514663665280. Its totient is φ = 22531456922688.

The previous prime is 23023023021209. The next prime is 23023023021227. The reversal of 23023023021221 is 12212032032032.

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 23023023021221 - 214 = 23023023004837 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 (23023023021227) 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, 18011876 + ... + 19247693.

It is an arithmetic number, because the mean of its divisors is an integer number (2939332958160).

Almost surely, 223023023021221 is an apocalyptic number.

It is an amenable number.

23023023021221 is a deficient number, since it is larger than the sum of its proper divisors (491640644059).

23023023021221 is a wasteful number, since it uses less digits than its factorization.

23023023021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37272763.

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

Adding to 23023023021221 its reverse (12212032032032), we get a palindrome (35235055053253).

The spelling of 23023023021221 in words is "twenty-three trillion, twenty-three billion, twenty-three million, twenty-one thousand, two hundred twenty-one".

Divisors: 1 47 13147 617909 37259569 1751199743 489851553643 23023023021221