1423445536 has 12 divisors (see below), whose sum is σ = 2802408462. Its totient is φ = 711722752.

The previous prime is 1423445473. The next prime is 1423445549. The reversal of 1423445536 is 6355443241.

It can be written as a sum of positive squares in only one way, i.e., 742235536 + 681210000 = 27244^2 + 26100^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1423445495 and 1423445504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22241305 + ... + 22241368.

Almost surely, 2^1423445536 is an apocalyptic number.

1423445536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1423445536 is a deficient number, since it is larger than the sum of its proper divisors (1378962926).

1423445536 is an equidigital number, since it uses as much as digits as its factorization.

1423445536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44482683 (or 44482675 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 1423445536 is about 37728.5771796393. The cubic root of 1423445536 is about 1124.8992267923.

Adding to 1423445536 its reverse (6355443241), we get a palindrome (7778888777).

The spelling of 1423445536 in words is "one billion, four hundred twenty-three million, four hundred forty-five thousand, five hundred thirty-six".