1232313000 has 256 divisors, whose sum is σ = 4139216640. Its totient is φ = 304128000.

The previous prime is 1232312989. The next prime is 1232313031. The reversal of 1232313000 is 3132321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3722835 + ... + 3723165.

It is an arithmetic number, because the mean of its divisors is an integer number (16168815).

Almost surely, 2^1232313000 is an apocalyptic number.

1232313000 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 1232313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069608320).

1232313000 is an abundant number, since it is smaller than the sum of its proper divisors (2906903640).

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

1232313000 is a wasteful number, since it uses less digits than its factorization.

1232313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1232313000 is about 35104.3159739654. The cubic root of 1232313000 is about 1072.1124598919.

Adding to 1232313000 its reverse (3132321), we get a palindrome (1235445321).

The spelling of 1232313000 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand".