123028593 has 4 divisors (see below), whose sum is σ = 164038128. Its totient is φ = 82019060.

The previous prime is 123028567. The next prime is 123028597. The reversal of 123028593 is 395820321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123028593 - 2⁵ = 123028561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123028597) 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 3 ways as a sum of consecutive naturals, for example, 20504763 + ... + 20504768.

It is an arithmetic number, because the mean of its divisors is an integer number (41009532).

Almost surely, 2^123028593 is an apocalyptic number.

It is an amenable number.

123028593 is a deficient number, since it is larger than the sum of its proper divisors (41009535).

123028593 is an equidigital number, since it uses as much as digits as its factorization.

123028593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41009534.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 123028593 is about 11091.8255034958. The cubic root of 123028593 is about 497.3575164975.

The spelling of 123028593 in words is "one hundred twenty-three million, twenty-eight thousand, five hundred ninety-three".