1988682123 has 8 divisors (see below), whose sum is σ = 2660627088. Its totient is φ = 1321262624.

The previous prime is 1988682119. The next prime is 1988682161. The reversal of 1988682123 is 3212868891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1988682123 - 2² = 1988682119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1988682173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130340 + ... + 1132097.

It is an arithmetic number, because the mean of its divisors is an integer number (332578386).

Almost surely, 2^1988682123 is an apocalyptic number.

1988682123 is a deficient number, since it is larger than the sum of its proper divisors (671944965).

1988682123 is a wasteful number, since it uses less digits than its factorization.

1988682123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262733.

The product of its digits is 331776, while the sum is 48.

The square root of 1988682123 is about 44594.6423127263. The cubic root of 1988682123 is about 1257.5399474811.

The spelling of 1988682123 in words is "one billion, nine hundred eighty-eight million, six hundred eighty-two thousand, one hundred twenty-three".