157923 has 8 divisors (see below), whose sum is σ = 234000. Its totient is φ = 105264.
The previous prime is 157907. The next prime is 157931. The reversal of 157923 is 329751.
157923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157923 - 24 = 157907 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5849 = 157923 / (1 + 5 + 7 + 9 + 2 + 3).
It is not an unprimeable number, because it can be changed into a prime (157933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898 + ... + 2951.
It is an arithmetic number, because the mean of its divisors is an integer number (29250).
2157923 is an apocalyptic number.
157923 is a deficient number, since it is larger than the sum of its proper divisors (76077).
157923 is an equidigital number, since it uses as much as digits as its factorization.
157923 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5858 (or 5852 counting only the distinct ones).
The product of its digits is 1890, while the sum is 27.
The square root of 157923 is about 397.3952692220. The cubic root of 157923 is about 54.0524182365.
The spelling of 157923 in words is "one hundred fifty-seven thousand, nine hundred twenty-three".
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