123073210 has 16 divisors (see below), whose sum is σ = 238572936. Its totient is φ = 45442368.

The previous prime is 123073201. The next prime is 123073259. The reversal of 123073210 is 12370321.

It can be written as a sum of positive squares in 4 ways, for example, as 34468641 + 88604569 = 5871^2 + 9413^2 .

It is an unprimeable number.

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, 473229 + ... + 473488.

Almost surely, 2^123073210 is an apocalyptic number.

123073210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123073210 is a deficient number, since it is larger than the sum of its proper divisors (115499726).

123073210 is a wasteful number, since it uses less digits than its factorization.

123073210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946737.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 123073210 is about 11093.8365771270. The cubic root of 123073210 is about 497.4176323828.

The spelling of 123073210 in words is "one hundred twenty-three million, seventy-three thousand, two hundred ten".