123689884 has 6 divisors (see below), whose sum is σ = 216457304. Its totient is φ = 61844940.

The previous prime is 123689873. The next prime is 123689893. The reversal of 123689884 is 488986321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15461232 + ... + 15461239.

Almost surely, 2^123689884 is an apocalyptic number.

It is an amenable number.

123689884 is a deficient number, since it is larger than the sum of its proper divisors (92767420).

123689884 is a wasteful number, since it uses less digits than its factorization.

123689884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30922475 (or 30922473 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 123689884 is about 11121.5953891517. The cubic root of 123689884 is about 498.2470401121.

The spelling of 123689884 in words is "one hundred twenty-three million, six hundred eighty-nine thousand, eight hundred eighty-four".