234233005520 has 40 divisors (see below), whose sum is σ = 544613568840. Its totient is φ = 93689446400.

The previous prime is 234233005511. The next prime is 234233005571. The reversal of 234233005520 is 25500332432.

It can be written as a sum of positive squares in 4 ways, for example, as 98437807504 + 135795198016 = 313748^2 + 368504^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×234233005520³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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, 2836820 + ... + 2918220.

It is an arithmetic number, because the mean of its divisors is an integer number (13615339221).

Almost surely, 2^234233005520 is an apocalyptic number.

234233005520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234233005520 is an abundant number, since it is smaller than the sum of its proper divisors (310380563320).

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

234233005520 is a wasteful number, since it uses less digits than its factorization.

234233005520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117383 (or 117377 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 234233005520 its reverse (25500332432), we get a palindrome (259733337952).

The spelling of 234233005520 in words is "two hundred thirty-four billion, two hundred thirty-three million, five thousand, five hundred twenty".