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120257623 is a prime number
BaseRepresentation
bin1110010101011…
…11110001010111
322101021201110001
413022233301113
5221241220443
615533312131
72660113213
oct712576127
9271251401
10120257623
1161978372
1234335647
131bbb7275
1411d85943
15a856d4d
hex72afc57

120257623 has 2 divisors, whose sum is σ = 120257624. Its totient is φ = 120257622.

The previous prime is 120257597. The next prime is 120257653. The reversal of 120257623 is 326752021.

It is a weak prime.

It is an emirp because it is prime and its reverse (326752021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120257623 - 217 = 120126551 is a prime.

It is a super-2 number, since 2×1202576232 = 28923791779220258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120257591 and 120257600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120257653) 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, 60128811 + 60128812.

It is an arithmetic number, because the mean of its divisors is an integer number (60128812).

Almost surely, 2120257623 is an apocalyptic number.

120257623 is a deficient number, since it is larger than the sum of its proper divisors (1).

120257623 is an equidigital number, since it uses as much as digits as its factorization.

120257623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 120257623 is about 10966.2036731040. The cubic root of 120257623 is about 493.5951364349.

The spelling of 120257623 in words is "one hundred twenty million, two hundred fifty-seven thousand, six hundred twenty-three".