1402044140023 has 4 divisors (see below), whose sum is σ = 1402058725360. Its totient is φ = 1402029554688.

The previous prime is 1402044139963. The next prime is 1402044140051. The reversal of 1402044140023 is 3200414402041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1402044140023 - 2³³ = 1393454205431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402044140023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402044140083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7147515 + ... + 7341052.

It is an arithmetic number, because the mean of its divisors is an integer number (350514681340).

Almost surely, 2^{1402044140023} is an apocalyptic number.

1402044140023 is a deficient number, since it is larger than the sum of its proper divisors (14585337).

1402044140023 is an equidigital number, since it uses as much as digits as its factorization.

1402044140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14585336.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1402044140023 its reverse (3200414402041), we get a palindrome (4602458542064).

The spelling of 1402044140023 in words is "one trillion, four hundred two billion, forty-four million, one hundred forty thousand, twenty-three".