123893723 has 4 divisors (see below), whose sum is σ = 127242240. Its totient is φ = 120545208.

The previous prime is 123893719. The next prime is 123893729. The reversal of 123893723 is 327398321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123893723 - 2² = 123893719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123893729) 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, 1674203 + ... + 1674276.

It is an arithmetic number, because the mean of its divisors is an integer number (31810560).

Almost surely, 2^123893723 is an apocalyptic number.

123893723 is a deficient number, since it is larger than the sum of its proper divisors (3348517).

123893723 is an equidigital number, since it uses as much as digits as its factorization.

123893723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348516.

The product of its digits is 54432, while the sum is 38.

The square root of 123893723 is about 11130.7557245679. The cubic root of 123893723 is about 498.5205910153.

The spelling of 123893723 in words is "one hundred twenty-three million, eight hundred ninety-three thousand, seven hundred twenty-three".