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123493079 is a prime number
BaseRepresentation
bin1110101110001…
…01101011010111
322121101002122202
413113011223113
5223103234304
620130515115
73026450063
oct727055327
9277332582
10123493079
11637881a6
1235435a9b
131c77ab38
1412588aa3
15ac9581e
hex75c5ad7

123493079 has 2 divisors, whose sum is σ = 123493080. Its totient is φ = 123493078.

The previous prime is 123493061. The next prime is 123493091. The reversal of 123493079 is 970394321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123493079 - 220 = 122444503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123493099) 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, 61746539 + 61746540.

It is an arithmetic number, because the mean of its divisors is an integer number (61746540).

Almost surely, 2123493079 is an apocalyptic number.

123493079 is a deficient number, since it is larger than the sum of its proper divisors (1).

123493079 is an equidigital number, since it uses as much as digits as its factorization.

123493079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 123493079 is about 11112.7439905723. The cubic root of 123493079 is about 497.9826434922.

The spelling of 123493079 in words is "one hundred twenty-three million, four hundred ninety-three thousand, seventy-nine".