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123030233 is a prime number
BaseRepresentation
bin1110101010101…
…00101011011001
322120111120202022
413111110223121
5222443431413
620112544225
73022511504
oct725245331
9276446668
10123030233
11634a1487
1235252075
131c648271
14124a813b
15ac03608
hex7554ad9

123030233 has 2 divisors, whose sum is σ = 123030234. Its totient is φ = 123030232.

The previous prime is 123030223. The next prime is 123030251. The reversal of 123030233 is 332030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118548544 + 4481689 = 10888^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 123030233 - 216 = 122964697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123030203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515116 + 61515117.

It is an arithmetic number, because the mean of its divisors is an integer number (61515117).

Almost surely, 2123030233 is an apocalyptic number.

It is an amenable number.

123030233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030233 is an equidigital number, since it uses as much as digits as its factorization.

123030233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 123030233 is about 11091.8994315672. The cubic root of 123030233 is about 497.3597264518.

Adding to 123030233 its reverse (332030321), we get a palindrome (455060554).

The spelling of 123030233 in words is "one hundred twenty-three million, thirty thousand, two hundred thirty-three".