123087913210 has 16 divisors (see below), whose sum is σ = 223751891592. Its totient is φ = 48747688000.

The previous prime is 123087913183. The next prime is 123087913219. The reversal of 123087913210 is 12319780321.

It can be written as a sum of positive squares in 4 ways, for example, as 123048713089 + 39200121 = 350783^2 + 6261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123087913210.

It is not an unprimeable number, because it can be changed into a prime (123087913219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60933601 + ... + 60935620.

Almost surely, 2^123087913210 is an apocalyptic number.

123087913210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123087913210 is a deficient number, since it is larger than the sum of its proper divisors (100663978382).

123087913210 is a wasteful number, since it uses less digits than its factorization.

123087913210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121869329.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 123087913210 in words is "one hundred twenty-three billion, eighty-seven million, nine hundred thirteen thousand, two hundred ten".