1223232000 has 320 divisors, whose sum is σ = 4259084544. Its totient is φ = 310886400.

The previous prime is 1223231993. The next prime is 1223232029. The reversal of 1223232000 is 2323221.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4415862 + ... + 4416138.

Almost surely, 2^1223232000 is an apocalyptic number.

1223232000 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 1223232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129542272).

1223232000 is an abundant number, since it is smaller than the sum of its proper divisors (3035852544).

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

1223232000 is an equidigital number, since it uses as much as digits as its factorization.

1223232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1223232000 is about 34974.7337373710. The cubic root of 1223232000 is about 1069.4724741190.

Adding to 1223232000 its reverse (2323221), we get a palindrome (1225555221).

The spelling of 1223232000 in words is "one billion, two hundred twenty-three million, two hundred thirty-two thousand".