2023721663477 has 4 divisors (see below), whose sum is σ = 2025168213600. Its totient is φ = 2022275113356.

The previous prime is 2023721663471. The next prime is 2023721663503. The reversal of 2023721663477 is 7743661273202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023721663477 - 2⁴ = 2023721663461 is a prime.

It is a super-2 number, since 2×2023721663477² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023721663471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723272963 + ... + 723275760.

It is an arithmetic number, because the mean of its divisors is an integer number (506292053400).

Almost surely, 2^{2023721663477} is an apocalyptic number.

It is an amenable number.

2023721663477 is a deficient number, since it is larger than the sum of its proper divisors (1446550123).

2023721663477 is a wasteful number, since it uses less digits than its factorization.

2023721663477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446550122.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 2023721663477 in words is "two trillion, twenty-three billion, seven hundred twenty-one million, six hundred sixty-three thousand, four hundred seventy-seven".