1423020322 has 16 divisors (see below), whose sum is σ = 2170825344. Its totient is φ = 699426000.

The previous prime is 1423020283. The next prime is 1423020329. The reversal of 1423020322 is 2230203241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423020322.

It is not an unprimeable number, because it can be changed into a prime (1423020329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331047 + ... + 335317.

It is an arithmetic number, because the mean of its divisors is an integer number (135676584).

Almost surely, 2^1423020322 is an apocalyptic number.

1423020322 is a deficient number, since it is larger than the sum of its proper divisors (747805022).

1423020322 is a wasteful number, since it uses less digits than its factorization.

1423020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1423020322 is about 37722.9415873153. The cubic root of 1423020322 is about 1124.7872050526.

Adding to 1423020322 its reverse (2230203241), we get a palindrome (3653223563).

The spelling of 1423020322 in words is "one billion, four hundred twenty-three million, twenty thousand, three hundred twenty-two".