123693 has 4 divisors (see below), whose sum is σ = 164928. Its totient is φ = 82460.

The previous prime is 123677. The next prime is 123701. The reversal of 123693 is 396321.

123693 is nontrivially palindromic in base 4.

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 123693 - 2⁴ = 123677 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123653) 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, 20613 + ... + 20618.

It is an arithmetic number, because the mean of its divisors is an integer number (41232).

2¹²³⁶⁹³ is an apocalyptic number.

It is an amenable number.

123693 is a deficient number, since it is larger than the sum of its proper divisors (41235).

123693 is an equidigital number, since it uses as much as digits as its factorization.

123693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41234.

The product of its digits is 972, while the sum is 24.

The square root of 123693 is about 351.7001563832. The cubic root of 123693 is about 49.8251224029.

The spelling of 123693 in words is "one hundred twenty-three thousand, six hundred ninety-three".