233530423530 has 16 divisors (see below), whose sum is σ = 560473016544. Its totient is φ = 62274779600.

The previous prime is 233530423507. The next prime is 233530423541. The reversal of 233530423530 is 35324035332.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 233530423491 and 233530423500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3892173696 + ... + 3892173755.

It is an arithmetic number, because the mean of its divisors is an integer number (35029563534).

Almost surely, 2^233530423530 is an apocalyptic number.

233530423530 is an abundant number, since it is smaller than the sum of its proper divisors (326942593014).

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

233530423530 is a wasteful number, since it uses less digits than its factorization.

233530423530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784347461.

The product of its (nonzero) digits is 97200, while the sum is 33.

Adding to 233530423530 its reverse (35324035332), we get a palindrome (268854458862).

The spelling of 233530423530 in words is "two hundred thirty-three billion, five hundred thirty million, four hundred twenty-three thousand, five hundred thirty".