1423020329 has 2 divisors, whose sum is σ = 1423020330. Its totient is φ = 1423020328.

The previous prime is 1423020283. The next prime is 1423020337. The reversal of 1423020329 is 9230203241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401379225 + 21641104 = 37435^2 + 4652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423020329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423020298 and 1423020307.

It is not a weakly prime, because it can be changed into another prime (1423020359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711510164 + 711510165.

It is an arithmetic number, because the mean of its divisors is an integer number (711510165).

Almost surely, 2^1423020329 is an apocalyptic number.

It is an amenable number.

1423020329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423020329 is an equidigital number, since it uses as much as digits as its factorization.

1423020329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1423020329 is about 37722.9416800970. The cubic root of 1423020329 is about 1124.7872068969.

The spelling of 1423020329 in words is "one billion, four hundred twenty-three million, twenty thousand, three hundred twenty-nine".