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123020232023 = 132727930367
BaseRepresentation
bin111001010010010010…
…0111100010101010111
3102202112111021021221202
41302210210330111113
54003421134411043
6132303102303115
711613361501403
oct1624444742527
9382474237852
10123020232023
1148199794147
121ba13287a9b
13b7a6b33800
145d504d8103
1533001e41b8
hex1ca493c557

123020232023 has 6 divisors (see below), whose sum is σ = 133211257344. Its totient is φ = 113557137096.

The previous prime is 123020232001. The next prime is 123020232031. The reversal of 123020232023 is 320232020321.

It is not a de Polignac number, because 123020232023 - 214 = 123020215639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123020231986 and 123020232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020232523) 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 in 5 ways as a sum of consecutive naturals, for example, 363965015 + ... + 363965352.

It is an arithmetic number, because the mean of its divisors is an integer number (22201876224).

Almost surely, 2123020232023 is an apocalyptic number.

123020232023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123020232023 is a deficient number, since it is larger than the sum of its proper divisors (10191025321).

123020232023 is an equidigital number, since it uses as much as digits as its factorization.

123020232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727930393 (or 727930380 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 123020232023 its reverse (320232020321), we get a palindrome (443252252344).

The spelling of 123020232023 in words is "one hundred twenty-three billion, twenty million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 13 169 727930367 9463094771 123020232023