523215430234 has 16 divisors (see below), whose sum is σ = 899177507136. Its totient is φ = 223675992000.

The previous prime is 523215430219. The next prime is 523215430247. The reversal of 523215430234 is 432034512325.

It is a self number, because there is not a number n which added to its sum of digits gives 523215430234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46593552 + ... + 46604779.

It is an arithmetic number, because the mean of its divisors is an integer number (56198594196).

Almost surely, 2^523215430234 is an apocalyptic number.

523215430234 is a deficient number, since it is larger than the sum of its proper divisors (375962076902).

523215430234 is a wasteful number, since it uses less digits than its factorization.

523215430234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93198741.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 523215430234 its reverse (432034512325), we get a palindrome (955249942559).

The spelling of 523215430234 in words is "five hundred twenty-three billion, two hundred fifteen million, four hundred thirty thousand, two hundred thirty-four".