1423151204 has 6 divisors (see below), whose sum is σ = 2490514614. Its totient is φ = 711575600.

The previous prime is 1423151203. The next prime is 1423151227. The reversal of 1423151204 is 4021513241.

It can be written as a sum of positive squares in only one way, i.e., 843786304 + 579364900 = 29048^2 + 24070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1423151204.

It is not an unprimeable number, because it can be changed into a prime (1423151201) 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, 177893897 + ... + 177893904.

It is an arithmetic number, because the mean of its divisors is an integer number (415085769).

Almost surely, 2^1423151204 is an apocalyptic number.

It is an amenable number.

1423151204 is a deficient number, since it is larger than the sum of its proper divisors (1067363410).

1423151204 is a wasteful number, since it uses less digits than its factorization.

1423151204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355787805 (or 355787803 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1423151204 is about 37724.6763273060. The cubic root of 1423151204 is about 1124.8216880190.

Adding to 1423151204 its reverse (4021513241), we get a palindrome (5444664445).

The spelling of 1423151204 in words is "one billion, four hundred twenty-three million, one hundred fifty-one thousand, two hundred four".