123028688 has 40 divisors (see below), whose sum is σ = 247082400. Its totient is φ = 59306624.

The previous prime is 123028621. The next prime is 123028699. The reversal of 123028688 is 886820321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48803 + ... + 51261.

It is an arithmetic number, because the mean of its divisors is an integer number (6177060).

Almost surely, 2^123028688 is an apocalyptic number.

It is an amenable number.

123028688 is an abundant number, since it is smaller than the sum of its proper divisors (124053712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123028688 is a wasteful number, since it uses less digits than its factorization.

123028688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 123028688 is about 11091.8297859280. The cubic root of 123028688 is about 497.3576445137.

The spelling of 123028688 in words is "one hundred twenty-three million, twenty-eight thousand, six hundred eighty-eight".