1240003023013 has 8 divisors (see below), whose sum is σ = 1258586615168. Its totient is φ = 1221462599904.

The previous prime is 1240003022989. The next prime is 1240003023043. The reversal of 1240003023013 is 3103203000421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240003023013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240003023043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10734381 + ... + 10849282.

It is an arithmetic number, because the mean of its divisors is an integer number (157323326896).

Almost surely, 2^{1240003023013} is an apocalyptic number.

It is an amenable number.

1240003023013 is a deficient number, since it is larger than the sum of its proper divisors (18583592155).

1240003023013 is an equidigital number, since it uses as much as digits as its factorization.

1240003023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21584523.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1240003023013 its reverse (3103203000421), we get a palindrome (4343206023434).

The spelling of 1240003023013 in words is "one trillion, two hundred forty billion, three million, twenty-three thousand, thirteen".