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123824201 is a prime number
BaseRepresentation
bin1110110000101…
…10100001001001
322121222220212112
413120112201021
5223144333301
620141552105
73032326334
oct730264111
9277886775
10123824201
1163993a56
1235575635
131c865777
141263361b
15ad0d9bb
hex7616849

123824201 has 2 divisors, whose sum is σ = 123824202. Its totient is φ = 123824200.

The previous prime is 123824189. The next prime is 123824251. The reversal of 123824201 is 102428321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 58537801 = 8080^2 + 7651^2 .

It is a cyclic number.

It is not a de Polignac number, because 123824201 - 222 = 119629897 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (123824251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61912100 + 61912101.

It is an arithmetic number, because the mean of its divisors is an integer number (61912101).

Almost surely, 2123824201 is an apocalyptic number.

It is an amenable number.

123824201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123824201 is an equidigital number, since it uses as much as digits as its factorization.

123824201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 123824201 is about 11127.6323177934. The cubic root of 123824201 is about 498.4273265829.

The spelling of 123824201 in words is "one hundred twenty-three million, eight hundred twenty-four thousand, two hundred one".