3723223643 has 4 divisors (see below), whose sum is σ = 3724026768. Its totient is φ = 3722420520.

The previous prime is 3723223613. The next prime is 3723223649. The reversal of 3723223643 is 3463223273.

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 3723223643 - 2²⁴ = 3706446427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3723223649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394568 + ... + 403893.

It is an arithmetic number, because the mean of its divisors is an integer number (931006692).

Almost surely, 2^3723223643 is an apocalyptic number.

3723223643 is a deficient number, since it is larger than the sum of its proper divisors (803125).

3723223643 is an equidigital number, since it uses as much as digits as its factorization.

3723223643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803124.

The product of its digits is 108864, while the sum is 35.

The square root of 3723223643 is about 61018.2238597618. The cubic root of 3723223643 is about 1549.9096226180.

The spelling of 3723223643 in words is "three billion, seven hundred twenty-three million, two hundred twenty-three thousand, six hundred forty-three".