1423135552 has 28 divisors (see below), whose sum is σ = 2990156580. Its totient is φ = 669710336.

The previous prime is 1423135547. The next prime is 1423135561. The reversal of 1423135552 is 2555313241.

It can be written as a sum of positive squares in 2 ways, for example, as 405780736 + 1017354816 = 20144^2 + 31896^2 .

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 3 ways as a sum of consecutive naturals, for example, 652927 + ... + 655102.

Almost surely, 2^1423135552 is an apocalyptic number.

It is an amenable number.

1423135552 is an abundant number, since it is smaller than the sum of its proper divisors (1567021028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423135552 is a wasteful number, since it uses less digits than its factorization.

1423135552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308058 (or 1308048 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 1423135552 is about 37724.4688763142. The cubic root of 1423135552 is about 1124.8175643593.

Adding to 1423135552 its reverse (2555313241), we get a palindrome (3978448793).

The spelling of 1423135552 in words is "one billion, four hundred twenty-three million, one hundred thirty-five thousand, five hundred fifty-two".