1323123030200 has 48 divisors (see below), whose sum is σ = 3076829997360. Its totient is φ = 529151328000.

The previous prime is 1323123030167. The next prime is 1323123030239. The reversal of 1323123030200 is 20303213231.

It is a super-2 number, since 2×1323123030200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477140 + ... + 1695260.

It is an arithmetic number, because the mean of its divisors is an integer number (64100624945).

Almost surely, 2^{1323123030200} is an apocalyptic number.

1323123030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323123030200 is an abundant number, since it is smaller than the sum of its proper divisors (1753706967160).

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

1323123030200 is a wasteful number, since it uses less digits than its factorization.

1323123030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223568 (or 1223559 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1323123030200 its reverse (20303213231), we get a palindrome (1343426243431).

The spelling of 1323123030200 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, thirty thousand, two hundred".