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102303223223 = 372764951979
BaseRepresentation
bin101111101000110111…
…1110100110110110111
3100210001200120012112112
41133101233310312313
53134004111120343
6114555241041235
710251112023005
oct1372157646667
9323050505475
10102303223223
113a428558873
12179b118621b
139854a42a16
144d46ccba75
1529db546218
hex17d1bf4db7

102303223223 has 4 divisors (see below), whose sum is σ = 105068175240. Its totient is φ = 99538271208.

The previous prime is 102303223153. The next prime is 102303223361. The reversal of 102303223223 is 322322303201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322322303201 = 1068730160223.

It is a cyclic number.

It is not a de Polignac number, because 102303223223 - 224 = 102286446007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102303223523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382475953 + ... + 1382476026.

It is an arithmetic number, because the mean of its divisors is an integer number (26267043810).

Almost surely, 2102303223223 is an apocalyptic number.

102303223223 is a deficient number, since it is larger than the sum of its proper divisors (2764952017).

102303223223 is an equidigital number, since it uses as much as digits as its factorization.

102303223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764952016.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 102303223223 its reverse (322322303201), we get a palindrome (424625526424).

The spelling of 102303223223 in words is "one hundred two billion, three hundred three million, two hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 37 2764951979 102303223223