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123422317 is a prime number
BaseRepresentation
bin1110101101101…
…00011001101101
322121020111120221
413112310121231
5223044003232
620125211341
73026033554
oct726643155
9277214527
10123422317
116373a017
1235400b51
131c754875
141256ad9b
15ac7e897
hex75b466d

123422317 has 2 divisors, whose sum is σ = 123422318. Its totient is φ = 123422316.

The previous prime is 123422297. The next prime is 123422323. The reversal of 123422317 is 713224321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79941481 + 43480836 = 8941^2 + 6594^2 .

It is a cyclic number.

It is not a de Polignac number, because 123422317 - 219 = 122898029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123422291 and 123422300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123422357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711158 + 61711159.

It is an arithmetic number, because the mean of its divisors is an integer number (61711159).

Almost surely, 2123422317 is an apocalyptic number.

It is an amenable number.

123422317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123422317 is an equidigital number, since it uses as much as digits as its factorization.

123422317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 123422317 is about 11109.5597122478. The cubic root of 123422317 is about 497.8875100084.

Adding to 123422317 its reverse (713224321), we get a palindrome (836646638).

The spelling of 123422317 in words is "one hundred twenty-three million, four hundred twenty-two thousand, three hundred seventeen".