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122320121323 = 1191911026253
BaseRepresentation
bin111000111101011011…
…0001110110111101011
3102200201200212222121211
41301322312032313223
54001002422340243
6132105412413551
711560130606341
oct1617266166753
9380650788554
10122320121323
114796a579664
121b8589172b7
13b6c4a85c1a
145cc5531991
1532ad9edd9d
hex1c7ad8edeb

122320121323 has 4 divisors (see below), whose sum is σ = 122321266768. Its totient is φ = 122318975880.

The previous prime is 122320121317. The next prime is 122320121383. The reversal of 122320121323 is 323121023221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122320121323 - 217 = 122319990251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122320121294 and 122320121303.

It is not an unprimeable number, because it can be changed into a prime (122320121383) 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, 393936 + ... + 632317.

It is an arithmetic number, because the mean of its divisors is an integer number (30580316692).

Almost surely, 2122320121323 is an apocalyptic number.

122320121323 is a deficient number, since it is larger than the sum of its proper divisors (1145445).

122320121323 is a wasteful number, since it uses less digits than its factorization.

122320121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145444.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122320121323 its reverse (323121023221), we get a palindrome (445441144544).

The spelling of 122320121323 in words is "one hundred twenty-two billion, three hundred twenty million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 119191 1026253 122320121323