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122102330023 = 990112332323
BaseRepresentation
bin111000110110111011…
…1011011001010100111
3102200011112002001010101
41301231313123022213
54000031144030043
6132032032404531
711551544452312
oct1615567331247
9380145061111
10122102330023
1147868644853
121b7b79a6747
13b68b90c92b
145ca463b979
15329982d24d
hex1c6dddb2a7

122102330023 has 4 divisors (see below), whose sum is σ = 122114672248. Its totient is φ = 122089987800.

The previous prime is 122102329933. The next prime is 122102330027. The reversal of 122102330023 is 320033201221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320033201221 = 990132323321.

It is a cyclic number.

It is not a de Polignac number, because 122102330023 - 233 = 113512395431 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 (122102330027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6156261 + ... + 6176062.

It is an arithmetic number, because the mean of its divisors is an integer number (30528668062).

Almost surely, 2122102330023 is an apocalyptic number.

122102330023 is a deficient number, since it is larger than the sum of its proper divisors (12342225).

122102330023 is an equidigital number, since it uses as much as digits as its factorization.

122102330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342224.

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

Adding to 122102330023 its reverse (320033201221), we get a palindrome (442135531244).

The spelling of 122102330023 in words is "one hundred twenty-two billion, one hundred two million, three hundred thirty thousand, twenty-three".

Divisors: 1 9901 12332323 122102330023