123203321310 has 32 divisors (see below), whose sum is σ = 305884110240. Its totient is φ = 31721314688.

The previous prime is 123203321299. The next prime is 123203321323. The reversal of 123203321310 is 13123302321.

It is a super-2 number, since 2×123203321310² (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 15 ways as a sum of consecutive naturals, for example, 70805637 + ... + 70807376.

It is an arithmetic number, because the mean of its divisors is an integer number (9558878445).

Almost surely, 2^123203321310 is an apocalyptic number.

123203321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123203321310 is an abundant number, since it is smaller than the sum of its proper divisors (182680788930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123203321310 is a wasteful number, since it uses less digits than its factorization.

123203321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141613052.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123203321310 its reverse (13123302321), we get a palindrome (136326623631).

The spelling of 123203321310 in words is "one hundred twenty-three billion, two hundred three million, three hundred twenty-one thousand, three hundred ten".