123628 has 12 divisors (see below), whose sum is σ = 223552. Its totient is φ = 59760.

The previous prime is 123619. The next prime is 123631. The reversal of 123628 is 826321.

It is a junction number, because it is equal to n+sod(n) for n = 123599 and 123608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375 + ... + 622.

2¹²³⁶²⁸ is an apocalyptic number.

It is an amenable number.

123628 is a deficient number, since it is larger than the sum of its proper divisors (99924).

123628 is a wasteful number, since it uses less digits than its factorization.

123628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 123628 is about 351.6077359786. The cubic root of 123628 is about 49.8163932633.

Adding to 123628 its reverse (826321), we get a palindrome (949949).

The spelling of 123628 in words is "one hundred twenty-three thousand, six hundred twenty-eight".