1963801023 has 16 divisors (see below), whose sum is σ = 2637018720. Its totient is φ = 1299912704.

The previous prime is 1963801003. The next prime is 1963801061. The reversal of 1963801023 is 3201083691.

It is a cyclic number.

It is not a de Polignac number, because 1963801023 - 2¹⁷ = 1963669951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963801003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 480115 + ... + 484187.

It is an arithmetic number, because the mean of its divisors is an integer number (164813670).

Almost surely, 2^1963801023 is an apocalyptic number.

1963801023 is a deficient number, since it is larger than the sum of its proper divisors (673217697).

1963801023 is a wasteful number, since it uses less digits than its factorization.

1963801023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1963801023 is about 44314.7946288821. The cubic root of 1963801023 is about 1252.2734143365.

The spelling of 1963801023 in words is "one billion, nine hundred sixty-three million, eight hundred one thousand, twenty-three".