147023 has 4 divisors (see below), whose sum is σ = 147888. Its totient is φ = 146160.
The previous prime is 147011. The next prime is 147029. The reversal of 147023 is 320741.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 147023 - 28 = 146767 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 146992 and 147010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 548.
It is an arithmetic number, because the mean of its divisors is an integer number (36972).
2147023 is an apocalyptic number.
147023 is a deficient number, since it is larger than the sum of its proper divisors (865).
147023 is an equidigital number, since it uses as much as digits as its factorization.
147023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 864.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 147023 is about 383.4357834110. The cubic root of 147023 is about 52.7790732420.
Adding to 147023 its reverse (320741), we get a palindrome (467764).
The spelling of 147023 in words is "one hundred forty-seven thousand, twenty-three", and thus it is an iban number.
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