123293 has 4 divisors (see below), whose sum is σ = 124320. Its totient is φ = 122268.

The previous prime is 123289. The next prime is 123307. The reversal of 123293 is 392321.

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, 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 123293 - 2² = 123289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (31080).

2¹²³²⁹³ is an apocalyptic number.

It is an amenable number.

123293 is a deficient number, since it is larger than the sum of its proper divisors (1027).

123293 is an equidigital number, since it uses as much as digits as its factorization.

123293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its digits is 324, while the sum is 20.

The square root of 123293 is about 351.1310296741. The cubic root of 123293 is about 49.7713560325.

The spelling of 123293 in words is "one hundred twenty-three thousand, two hundred ninety-three".