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23202203231 is a prime number
BaseRepresentation
bin10101100110111101…
…011000011001011111
32012220000001001021102
4111212331120121133
5340004231000411
614354155423315
71450654321244
oct254675303137
965800031242
1023202203231
119927047779
1245b6454b3b
132259c3824c
1411a16c55cb
1590be51d3b
hex566f5865f

23202203231 has 2 divisors, whose sum is σ = 23202203232. Its totient is φ = 23202203230.

The previous prime is 23202203221. The next prime is 23202203243. The reversal of 23202203231 is 13230220232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23202203231 - 222 = 23198008927 is a prime.

It is a super-2 number, since 2×232022032312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23202203221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601101615 + 11601101616.

It is an arithmetic number, because the mean of its divisors is an integer number (11601101616).

Almost surely, 223202203231 is an apocalyptic number.

23202203231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202203231 is an equidigital number, since it uses as much as digits as its factorization.

23202203231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23202203231 its reverse (13230220232), we get a palindrome (36432423463).

The spelling of 23202203231 in words is "twenty-three billion, two hundred two million, two hundred three thousand, two hundred thirty-one".