1143423600 has 360 divisors, whose sum is σ = 4178458752. Its totient is φ = 265036800.

The previous prime is 1143423581. The next prime is 1143423683. The reversal of 1143423600 is 63243411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11101149 + ... + 11101251.

Almost surely, 2^1143423600 is an apocalyptic number.

1143423600 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 1143423600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089229376).

1143423600 is an abundant number, since it is smaller than the sum of its proper divisors (3035035152).

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

1143423600 is a wasteful number, since it uses less digits than its factorization.

1143423600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1143423600 is about 33814.5471653843. The cubic root of 1143423600 is about 1045.6886252731.

The spelling of 1143423600 in words is "one billion, one hundred forty-three million, four hundred twenty-three thousand, six hundred".