253443523132 has 12 divisors (see below), whose sum is σ = 449601866896. Its totient is φ = 124985846880.

The previous prime is 253443523121. The next prime is 253443523147. The reversal of 253443523132 is 231325344352.

It is a junction number, because it is equal to n+sod(n) for n = 253443523091 and 253443523100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433978344 + ... + 433978927.

Almost surely, 2^253443523132 is an apocalyptic number.

It is an amenable number.

253443523132 is a deficient number, since it is larger than the sum of its proper divisors (196158343764).

253443523132 is a wasteful number, since it uses less digits than its factorization.

253443523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867957348 (or 867957346 counting only the distinct ones).

The product of its digits is 259200, while the sum is 37.

Adding to 253443523132 its reverse (231325344352), we get a palindrome (484768867484).

The spelling of 253443523132 in words is "two hundred fifty-three billion, four hundred forty-three million, five hundred twenty-three thousand, one hundred thirty-two".