1143712923840 has 140 divisors (see below), whose sum is σ = 4068388171056. Its totient is φ = 304990106112.

The previous prime is 1143712923833. The next prime is 1143712923851. The reversal of 1143712923840 is 483292173411.

1143712923840 is a `hidden beast` number, since 1 + 1 + 4 + 371 + 2 + 9 + 238 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 22036444 + ... + 22088283.

Almost surely, 2^{1143712923840} is an apocalyptic number.

1143712923840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143712923840 is an abundant number, since it is smaller than the sum of its proper divisors (2924675247216).

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

1143712923840 is an equidigital number, since it uses as much as digits as its factorization.

1143712923840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44124756 (or 44124737 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 1143712923840 in words is "one trillion, one hundred forty-three billion, seven hundred twelve million, nine hundred twenty-three thousand, eight hundred forty".