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23013202231 is a prime number
BaseRepresentation
bin10101011011101100…
…011001100100110111
32012101211101210122101
4111123230121210313
5334112334432411
614323324442531
71443200664025
oct253354314467
965354353571
1023013202231
11983a3974a8
1245630a9447
132229a32436
141184567715
158ea56b8c1
hex55bb19937

23013202231 has 2 divisors, whose sum is σ = 23013202232. Its totient is φ = 23013202230.

The previous prime is 23013202193. The next prime is 23013202273. The reversal of 23013202231 is 13220231032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23013202231 is a prime.

It is a super-2 number, since 2×230132022312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23013202199 and 23013202208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013202291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506601115 + 11506601116.

It is an arithmetic number, because the mean of its divisors is an integer number (11506601116).

Almost surely, 223013202231 is an apocalyptic number.

23013202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013202231 is an equidigital number, since it uses as much as digits as its factorization.

23013202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23013202231 its reverse (13220231032), we get a palindrome (36233433263).

The spelling of 23013202231 in words is "twenty-three billion, thirteen million, two hundred two thousand, two hundred thirty-one".