234403043553 has 48 divisors (see below), whose sum is σ = 404374603776. Its totient is φ = 128045927520.

The previous prime is 234403043549. The next prime is 234403043573. The reversal of 234403043553 is 355340304432.

234403043553 is a `hidden beast` number, since 2 + 34 + 4 + 0 + 30 + 43 + 553 = 666.

It is not a de Polignac number, because 234403043553 - 2² = 234403043549 is a prime.

It is a super-2 number, since 2×234403043553² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234403043533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 793183 + ... + 1047828.

It is an arithmetic number, because the mean of its divisors is an integer number (8424470912).

Almost surely, 2^234403043553 is an apocalyptic number.

It is an amenable number.

234403043553 is a deficient number, since it is larger than the sum of its proper divisors (169971560223).

234403043553 is a wasteful number, since it uses less digits than its factorization.

234403043553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841114 (or 1841111 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

Adding to 234403043553 its reverse (355340304432), we get a palindrome (589743347985).

The spelling of 234403043553 in words is "two hundred thirty-four billion, four hundred three million, forty-three thousand, five hundred fifty-three".