8223723045 has 80 divisors (see below), whose sum is σ = 15368060928. Its totient is φ = 4203239040.

The previous prime is 8223723023. The next prime is 8223723061. The reversal of 8223723045 is 5403273228.

It is not a de Polignac number, because 8223723045 - 2⁸ = 8223722789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 999900 + ... + 1008090.

Almost surely, 2^8223723045 is an apocalyptic number.

It is an amenable number.

8223723045 is a deficient number, since it is larger than the sum of its proper divisors (7144337883).

8223723045 is a wasteful number, since it uses less digits than its factorization.

8223723045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 8223723045 is about 90684.7453820101. The cubic root of 8223723045 is about 2018.4724461683.

The spelling of 8223723045 in words is "eight billion, two hundred twenty-three million, seven hundred twenty-three thousand, forty-five".