1223233100 has 36 divisors (see below), whose sum is σ = 2667798000. Its totient is φ = 486826560.

The previous prime is 1223233097. The next prime is 1223233103. The reversal of 1223233100 is 13323221.

It is an interprime number because it is at equal distance from previous prime (1223233097) and next prime (1223233103).

It is a super-2 number, since 2×1223233100² = 2992598433871220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223233103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10835 + ... + 50634.

It is an arithmetic number, because the mean of its divisors is an integer number (74105500).

Almost surely, 2^1223233100 is an apocalyptic number.

1223233100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223233100 is an abundant number, since it is smaller than the sum of its proper divisors (1444564900).

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

1223233100 is a wasteful number, since it uses less digits than its factorization.

1223233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61682 (or 61675 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223233100 is about 34974.7494630054. The cubic root of 1223233100 is about 1069.4727946958.

Adding to 1223233100 its reverse (13323221), we get a palindrome (1236556321).

The spelling of 1223233100 in words is "one billion, two hundred twenty-three million, two hundred thirty-three thousand, one hundred".