4223072387 has 2 divisors, whose sum is σ = 4223072388. Its totient is φ = 4223072386.

The previous prime is 4223072351. The next prime is 4223072407. The reversal of 4223072387 is 7832703224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223072387 - 2⁸ = 4223072131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4223072387.

It is not a weakly prime, because it can be changed into another prime (4223072317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111536193 + 2111536194.

It is an arithmetic number, because the mean of its divisors is an integer number (2111536194).

Almost surely, 2^4223072387 is an apocalyptic number.

4223072387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223072387 is an equidigital number, since it uses as much as digits as its factorization.

4223072387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 4223072387 is about 64985.1705160493. The cubic root of 4223072387 is about 1616.3776691951.

The spelling of 4223072387 in words is "four billion, two hundred twenty-three million, seventy-two thousand, three hundred eighty-seven".