1040423201663 has 16 divisors (see below), whose sum is σ = 1101008417280. Its totient is φ = 980422009344.

The previous prime is 1040423201569. The next prime is 1040423201689. The reversal of 1040423201663 is 3661023240401.

It is a cyclic number.

It is not a de Polignac number, because 1040423201663 - 2¹⁸ = 1040422939519 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 (1040423201063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35346170 + ... + 35375592.

It is an arithmetic number, because the mean of its divisors is an integer number (68813026080).

Almost surely, 2^{1040423201663} is an apocalyptic number.

1040423201663 is a deficient number, since it is larger than the sum of its proper divisors (60585215617).

1040423201663 is a wasteful number, since it uses less digits than its factorization.

1040423201663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39278.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 1040423201663 in words is "one trillion, forty billion, four hundred twenty-three million, two hundred one thousand, six hundred sixty-three".