123321310 has 16 divisors (see below), whose sum is σ = 253689696. Its totient is φ = 42281568.

The previous prime is 123321299. The next prime is 123321313. The reversal of 123321310 is 13123321.

It is a super-2 number, since 2×123321310² = 30416291000232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321313) 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, 880797 + ... + 880936.

It is an arithmetic number, because the mean of its divisors is an integer number (15855606).

Almost surely, 2^123321310 is an apocalyptic number.

123321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123321310 is an abundant number, since it is smaller than the sum of its proper divisors (130368386).

123321310 is a wasteful number, since it uses less digits than its factorization.

123321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761747.

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

The square root of 123321310 is about 11105.0128320502. The cubic root of 123321310 is about 497.7516516804.

Adding to 123321310 its reverse (13123321), we get a palindrome (136444631).

The spelling of 123321310 in words is "one hundred twenty-three million, three hundred twenty-one thousand, three hundred ten".