1002043123240 has 32 divisors (see below), whose sum is σ = 2259828149760. Its totient is φ = 399887272000.

The previous prime is 1002043123229. The next prime is 1002043123259. The reversal of 1002043123240 is 423213402001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29044336 + ... + 29078815.

It is an arithmetic number, because the mean of its divisors is an integer number (70619629680).

Almost surely, 2^{1002043123240} is an apocalyptic number.

1002043123240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002043123240 is an abundant number, since it is smaller than the sum of its proper divisors (1257785026520).

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

1002043123240 is a wasteful number, since it uses less digits than its factorization.

1002043123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58123593 (or 58123589 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1002043123240 its reverse (423213402001), we get a palindrome (1425256525241).

The spelling of 1002043123240 in words is "one trillion, two billion, forty-three million, one hundred twenty-three thousand, two hundred forty".