1123212023300 has 72 divisors (see below), whose sum is σ = 2470844480832. Its totient is φ = 443149200000.

The previous prime is 1123212023281. The next prime is 1123212023317. The reversal of 1123212023300 is 33202123211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2368070 + ... + 2802530.

It is an arithmetic number, because the mean of its divisors is an integer number (34317284456).

Almost surely, 2^{1123212023300} is an apocalyptic number.

1123212023300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123212023300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235422240416).

1123212023300 is an abundant number, since it is smaller than the sum of its proper divisors (1347632457532).

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

1123212023300 is a wasteful number, since it uses less digits than its factorization.

1123212023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434829 (or 434822 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1123212023300 its reverse (33202123211), we get a palindrome (1156414146511).

The spelling of 1123212023300 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, twenty-three thousand, three hundred".