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120201423 = 3791673037
BaseRepresentation
bin1110010101000…
…10000011001111
322101011212100120
413022202003033
5221232421143
615532200023
72656460316
oct712420317
9271155316
10120201423
116193a121
1234309013
131bb97804
1411d6d27d
15a845383
hex72a20cf

120201423 has 16 divisors (see below), whose sum is σ = 163322880. Its totient is φ = 78620256.

The previous prime is 120201409. The next prime is 120201437. The reversal of 120201423 is 324102021.

It is an interprime number because it is at equal distance from previous prime (120201409) and next prime (120201437).

It is not a de Polignac number, because 120201423 - 26 = 120201359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38061 + ... + 41097.

It is an arithmetic number, because the mean of its divisors is an integer number (10207680).

Almost surely, 2120201423 is an apocalyptic number.

120201423 is a deficient number, since it is larger than the sum of its proper divisors (43121457).

120201423 is a wasteful number, since it uses less digits than its factorization.

120201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120201423 is about 10963.6409554491. The cubic root of 120201423 is about 493.5182338421.

Adding to 120201423 its reverse (324102021), we get a palindrome (444303444).

The spelling of 120201423 in words is "one hundred twenty million, two hundred one thousand, four hundred twenty-three".

Divisors: 1 3 79 167 237 501 3037 9111 13193 39579 239923 507179 719769 1521537 40067141 120201423