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23201220103 is a prime number
BaseRepresentation
bin10101100110111001…
…101000011000000111
32012212221012002200021
4111212321220120013
5340004003020403
614354122400011
71450643055055
oct254671503007
965787162607
1023201220103
119926536076
1245b6060007
132259982909
1411a150b1d5
1590bd0a8bd
hex566e68607

23201220103 has 2 divisors, whose sum is σ = 23201220104. Its totient is φ = 23201220102.

The previous prime is 23201220073. The next prime is 23201220113. The reversal of 23201220103 is 30102210232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23201220103 is a prime.

It is a super-2 number, since 2×232012201032 (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 (23201220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600610051 + 11600610052.

It is an arithmetic number, because the mean of its divisors is an integer number (11600610052).

Almost surely, 223201220103 is an apocalyptic number.

23201220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201220103 is an equidigital number, since it uses as much as digits as its factorization.

23201220103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23201220103 its reverse (30102210232), we get a palindrome (53303430335).

The spelling of 23201220103 in words is "twenty-three billion, two hundred one million, two hundred twenty thousand, one hundred three".