123223321320 has 64 divisors (see below), whose sum is σ = 403276328640. Its totient is φ = 29872320000.

The previous prime is 123223321229. The next prime is 123223321337. The reversal of 123223321320 is 23123322321.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46674181 + ... + 46676820.

It is an arithmetic number, because the mean of its divisors is an integer number (6301192635).

Almost surely, 2^123223321320 is an apocalyptic number.

123223321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123223321320 is an abundant number, since it is smaller than the sum of its proper divisors (280053007320).

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

123223321320 is a wasteful number, since it uses less digits than its factorization.

123223321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93351026 (or 93351022 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123223321320 its reverse (23123322321), we get a palindrome (146346643641).

The spelling of 123223321320 in words is "one hundred twenty-three billion, two hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty".