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122203000123 = 751162720373
BaseRepresentation
bin111000111001111011…
…1011100110100111011
3102200102112111121112121
41301303313130310323
54000232432000443
6132050030222111
711554206235201
oct1616367346473
9380375447477
10122203000123
114790a453786
121b825654937
13b6a6729439
145cb3b65071
1532a35b64ed
hex1c73ddcd3b

122203000123 has 4 divisors (see below), whose sum is σ = 122365721248. Its totient is φ = 122040279000.

The previous prime is 122203000109. The next prime is 122203000147. The reversal of 122203000123 is 321000302221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321000302221 = 397808564993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122203000123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122203000097 and 122203000106.

It is not an unprimeable number, because it can be changed into a prime (122203000163) 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, 81359436 + ... + 81360937.

It is an arithmetic number, because the mean of its divisors is an integer number (30591430312).

Almost surely, 2122203000123 is an apocalyptic number.

122203000123 is a deficient number, since it is larger than the sum of its proper divisors (162721125).

122203000123 is an equidigital number, since it uses as much as digits as its factorization.

122203000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162721124.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 122203000123 its reverse (321000302221), we get a palindrome (443203302344).

The spelling of 122203000123 in words is "one hundred twenty-two billion, two hundred three million, one hundred twenty-three", and thus it is an aban number.

Divisors: 1 751 162720373 122203000123