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20123230341 = 313778762213
BaseRepresentation
bin10010101111011100…
…000010000010000101
31220221102102000111110
4102233130002002011
5312203021332331
613124450355233
71311446431014
oct225734020205
956842360443
1020123230341
118597047885
123a9728bb19
131b89092cb6
14d8c802a7b
157cb9ad946
hex4af702085

20123230341 has 16 divisors (see below), whose sum is σ = 27061596864. Its totient is φ = 13300427904.

The previous prime is 20123230289. The next prime is 20123230349. The reversal of 20123230341 is 14303232102.

It is not a de Polignac number, because 20123230341 - 210 = 20123229317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123230349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292351 + ... + 354563.

It is an arithmetic number, because the mean of its divisors is an integer number (1691349804).

Almost surely, 220123230341 is an apocalyptic number.

It is an amenable number.

20123230341 is a deficient number, since it is larger than the sum of its proper divisors (6938366523).

20123230341 is a wasteful number, since it uses less digits than its factorization.

20123230341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63140.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20123230341 its reverse (14303232102), we get a palindrome (34426462443).

The spelling of 20123230341 in words is "twenty billion, one hundred twenty-three million, two hundred thirty thousand, three hundred forty-one".

Divisors: 1 3 137 411 787 2361 62213 107819 186639 323457 8523181 25569543 48961631 146884893 6707743447 20123230341