8072213923 has 2 divisors, whose sum is σ = 8072213924. Its totient is φ = 8072213922.

The previous prime is 8072213839. The next prime is 8072213983. The reversal of 8072213923 is 3293122708.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8072213923 is a prime.

It is not a weakly prime, because it can be changed into another prime (8072213983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036106961 + 4036106962.

It is an arithmetic number, because the mean of its divisors is an integer number (4036106962).

Almost surely, 2^8072213923 is an apocalyptic number.

8072213923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072213923 is an equidigital number, since it uses as much as digits as its factorization.

8072213923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 8072213923 is about 89845.5002935595. The cubic root of 8072213923 is about 2005.9998100580. Note that the first 3 decimals are identical.

The spelling of 8072213923 in words is "eight billion, seventy-two million, two hundred thirteen thousand, nine hundred twenty-three".