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122320204423 = 521234779663
BaseRepresentation
bin111000111101011011…
…0100011001010000111
3102200201201001012121121
41301322312203022013
54001002433020143
6132105414254411
711560131403534
oct1617266431207
9380651035547
10122320204423
114796a62603a
121b858957407
13b6c4ab49b1
145cc5553d8b
1532ada187ed
hex1c7ada3287

122320204423 has 4 divisors (see below), whose sum is σ = 122554984608. Its totient is φ = 122085424240.

The previous prime is 122320204421. The next prime is 122320204459. The reversal of 122320204423 is 324402023221.

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 122320204423 - 21 = 122320204421 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 (122320204421) 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, 117389311 + ... + 117390352.

It is an arithmetic number, because the mean of its divisors is an integer number (30638746152).

Almost surely, 2122320204423 is an apocalyptic number.

122320204423 is a deficient number, since it is larger than the sum of its proper divisors (234780185).

122320204423 is an equidigital number, since it uses as much as digits as its factorization.

122320204423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234780184.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 122320204423 its reverse (324402023221), we get a palindrome (446722227644).

The spelling of 122320204423 in words is "one hundred twenty-two billion, three hundred twenty million, two hundred four thousand, four hundred twenty-three".

Divisors: 1 521 234779663 122320204423