253523134012 has 12 divisors (see below), whose sum is σ = 449743094416. Its totient is φ = 125025107040.

The previous prime is 253523134009. The next prime is 253523134019. The reversal of 253523134012 is 210431325352.

It is a super-2 number, since 2×253523134012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253523134019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434114664 + ... + 434115247.

Almost surely, 2^253523134012 is an apocalyptic number.

It is an amenable number.

253523134012 is a deficient number, since it is larger than the sum of its proper divisors (196219960404).

253523134012 is a wasteful number, since it uses less digits than its factorization.

253523134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868229988 (or 868229986 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 253523134012 its reverse (210431325352), we get a palindrome (463954459364).

The spelling of 253523134012 in words is "two hundred fifty-three billion, five hundred twenty-three million, one hundred thirty-four thousand, twelve".