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122320213123 is a prime number
BaseRepresentation
bin111000111101011011…
…0100101010010000011
3102200201201001122112211
41301322312211102003
54001002433304443
6132105414402551
711560131441103
oct1617266452203
9380651048484
10122320213123
114796a631629
121b858960457
13b6c4ab8944
145cc5557203
1532ada1b19d
hex1c7ada5483

122320213123 has 2 divisors, whose sum is σ = 122320213124. Its totient is φ = 122320213122.

The previous prime is 122320213111. The next prime is 122320213343. The reversal of 122320213123 is 321312023221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122320213123 - 213 = 122320204931 is a prime.

It is a super-2 number, since 2×1223202131232 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122320213094 and 122320213103.

It is not a weakly prime, because it can be changed into another prime (122320210123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160106561 + 61160106562.

It is an arithmetic number, because the mean of its divisors is an integer number (61160106562).

Almost surely, 2122320213123 is an apocalyptic number.

122320213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320213123 is an equidigital number, since it uses as much as digits as its factorization.

122320213123 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 22.

Adding to 122320213123 its reverse (321312023221), we get a palindrome (443632236344).

The spelling of 122320213123 in words is "one hundred twenty-two billion, three hundred twenty million, two hundred thirteen thousand, one hundred twenty-three".