123313213320 has 64 divisors (see below), whose sum is σ = 403570520640. Its totient is φ = 29894112000.

The previous prime is 123313213267. The next prime is 123313213333. The reversal of 123313213320 is 23312313321.

It is a super-2 number, since 2×123313213320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46708231 + ... + 46710870.

It is an arithmetic number, because the mean of its divisors is an integer number (6305789385).

Almost surely, 2^123313213320 is an apocalyptic number.

123313213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123313213320 is an abundant number, since it is smaller than the sum of its proper divisors (280257307320).

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

123313213320 is a wasteful number, since it uses less digits than its factorization.

123313213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93419126 (or 93419122 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123313213320 its reverse (23312313321), we get a palindrome (146625526641).

It can be divided in two parts, 123313 and 213320, that added together give a palindrome (336633).

The spelling of 123313213320 in words is "one hundred twenty-three billion, three hundred thirteen million, two hundred thirteen thousand, three hundred twenty".