1223023232100 has 72 divisors (see below), whose sum is σ = 3660635079360. Its totient is φ = 314893335680.

The previous prime is 1223023232083. The next prime is 1223023232147. The reversal of 1223023232100 is 12323203221.

It is a happy number.

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, 70279992 + ... + 70297391.

It is an arithmetic number, because the mean of its divisors is an integer number (50842153880).

Almost surely, 2^{1223023232100} is an apocalyptic number.

1223023232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223023232100 is an abundant number, since it is smaller than the sum of its proper divisors (2437611847260).

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

1223023232100 is a wasteful number, since it uses less digits than its factorization.

1223023232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140577429 (or 140577422 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223023232100 its reverse (12323203221), we get a palindrome (1235346435321).

The spelling of 1223023232100 in words is "one trillion, two hundred twenty-three billion, twenty-three million, two hundred thirty-two thousand, one hundred".