123123030010 has 16 divisors (see below), whose sum is σ = 221967208872. Its totient is φ = 49172377600.

The previous prime is 123123030007. The next prime is 123123030011. The reversal of 123123030010 is 10030321321.

It can be written as a sum of positive squares in 4 ways, for example, as 102100059961 + 21022970049 = 319531^2 + 144993^2 .

It is not an unprimeable number, because it can be changed into a prime (123123030011) 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, 9597571 + ... + 9610390.

Almost surely, 2^123123030010 is an apocalyptic number.

123123030010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123123030010 is a deficient number, since it is larger than the sum of its proper divisors (98844178862).

123123030010 is a wasteful number, since it uses less digits than its factorization.

123123030010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19208609.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123123030010 its reverse (10030321321), we get a palindrome (133153351331).

The spelling of 123123030010 in words is "one hundred twenty-three billion, one hundred twenty-three million, thirty thousand, ten".