123989365010 has 32 divisors (see below), whose sum is σ = 255085189632. Its totient is φ = 42507080640.

The previous prime is 123989364977. The next prime is 123989365039. The reversal of 123989365010 is 10563989321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849620 + ... + 984800.

It is an arithmetic number, because the mean of its divisors is an integer number (7971412176).

Almost surely, 2^123989365010 is an apocalyptic number.

123989365010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123989365010 is an abundant number, since it is smaller than the sum of its proper divisors (131095824622).

123989365010 is a wasteful number, since it uses less digits than its factorization.

123989365010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148298.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 123989365010 in words is "one hundred twenty-three billion, nine hundred eighty-nine million, three hundred sixty-five thousand, ten".