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121301230023 = 3335923125063
BaseRepresentation
bin111000011111000011…
…1011110000111000111
3102121002200122221112000
41300332013132013013
53441411103330043
6131420334200343
711522646304641
oct1607607360707
9377080587460
10121301230023
1147497422536
121b6136530b3
13b59196316c
145c2a0a7891
15324e33a2d3
hex1c3e1de1c7

121301230023 has 16 divisors (see below), whose sum is σ = 179711965440. Its totient is φ = 80864588952.

The previous prime is 121301230013. The next prime is 121301230027. The reversal of 121301230023 is 320032103121.

It is not a de Polignac number, because 121301230023 - 28 = 121301229767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301229978 and 121301230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301230027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907390 + ... + 1032452.

It is an arithmetic number, because the mean of its divisors is an integer number (11231997840).

Almost surely, 2121301230023 is an apocalyptic number.

121301230023 is a deficient number, since it is larger than the sum of its proper divisors (58410735417).

121301230023 is a wasteful number, since it uses less digits than its factorization.

121301230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160995 (or 160989 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121301230023 its reverse (320032103121), we get a palindrome (441333333144).

The spelling of 121301230023 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirty thousand, twenty-three".

Divisors: 1 3 9 27 35923 107769 125063 323307 375189 969921 1125567 3376701 4492638149 13477914447 40433743341 121301230023