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120423073 is a prime number
BaseRepresentation
bin1110010110110…
…00001010100001
322101121010101211
413023120022201
5221312014243
615541030121
72661402451
oct713301241
9271533354
10120423073
1161a80701
12343b5341
131bc44674
1411dc9d61
15a88ad9d
hex72d82a1

120423073 has 2 divisors, whose sum is σ = 120423074. Its totient is φ = 120423072.

The previous prime is 120423041. The next prime is 120423077. The reversal of 120423073 is 370324021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64128064 + 56295009 = 8008^2 + 7503^2 .

It is an emirp because it is prime and its reverse (370324021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120423073 - 25 = 120423041 is a prime.

It is not a weakly prime, because it can be changed into another prime (120423077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60211536 + 60211537.

It is an arithmetic number, because the mean of its divisors is an integer number (60211537).

Almost surely, 2120423073 is an apocalyptic number.

It is an amenable number.

120423073 is a deficient number, since it is larger than the sum of its proper divisors (1).

120423073 is an equidigital number, since it uses as much as digits as its factorization.

120423073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 120423073 is about 10973.7447118110. The cubic root of 120423073 is about 493.8213948354.

Adding to 120423073 its reverse (370324021), we get a palindrome (490747094).

The spelling of 120423073 in words is "one hundred twenty million, four hundred twenty-three thousand, seventy-three".