1423021204 has 48 divisors (see below), whose sum is σ = 2750993280. Its totient is φ = 638704640.

The previous prime is 1423021199. The next prime is 1423021217. The reversal of 1423021204 is 4021203241.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2500632 + ... + 2501200.

It is an arithmetic number, because the mean of its divisors is an integer number (57312360).

Almost surely, 2^1423021204 is an apocalyptic number.

It is an amenable number.

1423021204 is a deficient number, since it is larger than the sum of its proper divisors (1327972076).

1423021204 is a wasteful number, since it uses less digits than its factorization.

1423021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1423021204 is about 37722.9532778122. The cubic root of 1423021204 is about 1124.7874374367.

Adding to 1423021204 its reverse (4021203241), we get a palindrome (5444224445).

The spelling of 1423021204 in words is "one billion, four hundred twenty-three million, twenty-one thousand, two hundred four".