118923011 has 2 divisors, whose sum is σ = 118923012. Its totient is φ = 118923010.
The previous prime is 118922989. The next prime is 118923023. The reversal of 118923011 is 110329811.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-118923011 is a prime.
It is a super-2 number, since 2×1189230112 = 28285365090612242, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (118923031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59461505 + 59461506.
It is an arithmetic number, because the mean of its divisors is an integer number (59461506).
Almost surely, 2118923011 is an apocalyptic number.
118923011 is a deficient number, since it is larger than the sum of its proper divisors (1).
118923011 is an equidigital number, since it uses as much as digits as its factorization.
118923011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 26.
The square root of 118923011 is about 10905.1827586703. The cubic root of 118923011 is about 491.7623764392.
The spelling of 118923011 in words is "one hundred eighteen million, nine hundred twenty-three thousand, eleven".
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