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23022020231 = 737727122267
BaseRepresentation
bin10101011100001110…
…000010011010000111
32012102102222210122222
4111130032002122013
5334122114121411
614324241442555
71443335641340
oct253416023207
965372883588
1023022020231
11984436a601
12456604045b
13222b7cbca2
1411857c10c7
158eb20e4db
hex55c382687

23022020231 has 16 divisors (see below), whose sum is σ = 27059375616. Its totient is φ = 19173265056.

The previous prime is 23022020227. The next prime is 23022020233. The reversal of 23022020231 is 13202022032.

It is a cyclic number.

It is not a de Polignac number, because 23022020231 - 22 = 23022020227 is a prime.

It is a super-2 number, since 2×230220202312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022020233) 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, 127160 + ... + 249426.

It is an arithmetic number, because the mean of its divisors is an integer number (1691210976).

Almost surely, 223022020231 is an apocalyptic number.

23022020231 is a deficient number, since it is larger than the sum of its proper divisors (4037355385).

23022020231 is a wasteful number, since it uses less digits than its factorization.

23022020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123038.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23022020231 its reverse (13202022032), we get a palindrome (36224042263).

The spelling of 23022020231 in words is "twenty-three billion, twenty-two million, twenty thousand, two hundred thirty-one".

Divisors: 1 7 37 259 727 5089 26899 122267 188293 855869 4523879 31667153 88888109 622216763 3288860033 23022020231