123320346600 has 192 divisors, whose sum is σ = 435180003840. Its totient is φ = 28595987200.

The previous prime is 123320346581. The next prime is 123320346637. The reversal of 123320346600 is 6643023321.

It is a super-3 number, since 3×123320346600³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254394 + ... + 557993.

It is an arithmetic number, because the mean of its divisors is an integer number (2266562520).

Almost surely, 2^123320346600 is an apocalyptic number.

123320346600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123320346600 is an abundant number, since it is smaller than the sum of its proper divisors (311859657240).

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

123320346600 is a wasteful number, since it uses less digits than its factorization.

123320346600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812440 (or 812431 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 123320346600 its reverse (6643023321), we get a palindrome (129963369921).

The spelling of 123320346600 in words is "one hundred twenty-three billion, three hundred twenty million, three hundred forty-six thousand, six hundred".