123040300310 has 16 divisors (see below), whose sum is σ = 226184723136. Its totient is φ = 48168968448.

The previous prime is 123040300309. The next prime is 123040300421. The reversal of 123040300310 is 13003040321.

It is a happy number.

It is a super-2 number, since 2×123040300310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130893467 + ... + 130894406.

It is an arithmetic number, because the mean of its divisors is an integer number (14136545196).

Almost surely, 2^123040300310 is an apocalyptic number.

123040300310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123040300310 is a deficient number, since it is larger than the sum of its proper divisors (103144422826).

123040300310 is a wasteful number, since it uses less digits than its factorization.

123040300310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261787927.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123040300310 its reverse (13003040321), we get a palindrome (136043340631).

The spelling of 123040300310 in words is "one hundred twenty-three billion, forty million, three hundred thousand, three hundred ten".