1723422427 has 2 divisors, whose sum is σ = 1723422428. Its totient is φ = 1723422426.

The previous prime is 1723422419. The next prime is 1723422473. The reversal of 1723422427 is 7242243271.

It is a weak prime.

It is an emirp because it is prime and its reverse (7242243271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1723422427 - 2³ = 1723422419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1723422392 and 1723422401.

It is not a weakly prime, because it can be changed into another prime (1723422487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861711213 + 861711214.

It is an arithmetic number, because the mean of its divisors is an integer number (861711214).

Almost surely, 2^1723422427 is an apocalyptic number.

1723422427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1723422427 is an equidigital number, since it uses as much as digits as its factorization.

1723422427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 34.

The square root of 1723422427 is about 41514.1232233080. The cubic root of 1723422427 is about 1198.9394395728.

Adding to 1723422427 its reverse (7242243271), we get a palindrome (8965665698).

The spelling of 1723422427 in words is "one billion, seven hundred twenty-three million, four hundred twenty-two thousand, four hundred twenty-seven".