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123023093 is a prime number
BaseRepresentation
bin1110101010100…
…10111011110101
322120111012221212
413111102323311
5222443214333
620112451205
73022451624
oct725227365
9276435855
10123023093
1163497086
1235249b05
131c644c3b
14124a56bb
15ac01448
hex7552ef5

123023093 has 2 divisors, whose sum is σ = 123023094. Its totient is φ = 123023092.

The previous prime is 123023077. The next prime is 123023107. The reversal of 123023093 is 390320321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95218564 + 27804529 = 9758^2 + 5273^2 .

It is an emirp because it is prime and its reverse (390320321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123023093 - 24 = 123023077 is a prime.

It is a super-2 number, since 2×1230230932 = 30269362822573298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123023003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511546 + 61511547.

It is an arithmetic number, because the mean of its divisors is an integer number (61511547).

Almost surely, 2123023093 is an apocalyptic number.

It is an amenable number.

123023093 is a deficient number, since it is larger than the sum of its proper divisors (1).

123023093 is an equidigital number, since it uses as much as digits as its factorization.

123023093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 123023093 is about 11091.5775703910. The cubic root of 123023093 is about 497.3501049220.

The spelling of 123023093 in words is "one hundred twenty-three million, twenty-three thousand, ninety-three".