1143326700 has 216 divisors, whose sum is σ = 3704762880. Its totient is φ = 294768000.

The previous prime is 1143326693. The next prime is 1143326707. The reversal of 1143326700 is 76233411.

It is an interprime number because it is at equal distance from previous prime (1143326693) and next prime (1143326707).

It is not an unprimeable number, because it can be changed into a prime (1143326707) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6387211 + ... + 6387389.

It is an arithmetic number, because the mean of its divisors is an integer number (17151680).

Almost surely, 2^1143326700 is an apocalyptic number.

1143326700 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 1143326700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852381440).

1143326700 is an abundant number, since it is smaller than the sum of its proper divisors (2561436180).

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

1143326700 is a wasteful number, since it uses less digits than its factorization.

1143326700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1143326700 is about 33813.1143197429. The cubic root of 1143326700 is about 1045.6590853049.

The spelling of 1143326700 in words is "one billion, one hundred forty-three million, three hundred twenty-six thousand, seven hundred".