1423477442 has 16 divisors (see below), whose sum is σ = 2193535512. Its totient is φ = 692398080.

The previous prime is 1423477423. The next prime is 1423477463. The reversal of 1423477442 is 2447743241.

It is a Cunningham number, because it is equal to 37729²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 578354401 + 845123041 = 24049^2 + 29071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1423477396 and 1423477405.

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 7 ways as a sum of consecutive naturals, for example, 4358 + ... + 53534.

Almost surely, 2^1423477442 is an apocalyptic number.

1423477442 is a deficient number, since it is larger than the sum of its proper divisors (770058070).

1423477442 is a wasteful number, since it uses less digits than its factorization.

1423477442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49573.

The product of its digits is 150528, while the sum is 38.

The square root of 1423477442 is about 37729.0000132524. Note that the first 4 decimals coincide. The cubic root of 1423477442 is about 1124.9076314615.

The spelling of 1423477442 in words is "one billion, four hundred twenty-three million, four hundred seventy-seven thousand, four hundred forty-two".