123311230030 has 16 divisors (see below), whose sum is σ = 222555288384. Its totient is φ = 49192253280.

The previous prime is 123311230013. The next prime is 123311230061. The reversal of 123311230030 is 30032113321.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16525926 + ... + 16533385.

It is an arithmetic number, because the mean of its divisors is an integer number (13909705524).

Almost surely, 2^123311230030 is an apocalyptic number.

123311230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123311230030 is a deficient number, since it is larger than the sum of its proper divisors (99244058354).

123311230030 is a wasteful number, since it uses less digits than its factorization.

123311230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33059691.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123311230030 its reverse (30032113321), we get a palindrome (153343343351).

The spelling of 123311230030 in words is "one hundred twenty-three billion, three hundred eleven million, two hundred thirty thousand, thirty".