123321103030 has 16 divisors (see below), whose sum is σ = 233661037680. Its totient is φ = 46732207392.

The previous prime is 123321103013. The next prime is 123321103039. The reversal of 123321103030 is 30301123321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 123321102989 and 123321103007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321103039) by changing a digit.

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, 324529029 + ... + 324529408.

It is an arithmetic number, because the mean of its divisors is an integer number (14603814855).

Almost surely, 2^123321103030 is an apocalyptic number.

123321103030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123321103030 is a deficient number, since it is larger than the sum of its proper divisors (110339934650).

123321103030 is a wasteful number, since it uses less digits than its factorization.

123321103030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649058463.

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

Adding to 123321103030 its reverse (30301123321), we get a palindrome (153622226351).

The spelling of 123321103030 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred three thousand, thirty".