234223540 has 12 divisors (see below), whose sum is σ = 491869476. Its totient is φ = 93689408.

The previous prime is 234223519. The next prime is 234223547. The reversal of 234223540 is 45322432.

It can be written as a sum of positive squares in 2 ways, for example, as 111767184 + 122456356 = 10572^2 + 11066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234223547) 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, 5855569 + ... + 5855608.

It is an arithmetic number, because the mean of its divisors is an integer number (40989123).

Almost surely, 2^234223540 is an apocalyptic number.

234223540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234223540 is an abundant number, since it is smaller than the sum of its proper divisors (257645936).

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

234223540 is a wasteful number, since it uses less digits than its factorization.

234223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711186 (or 11711184 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 234223540 is about 15304.3634300810. The cubic root of 234223540 is about 616.4201784147.

Adding to 234223540 its reverse (45322432), we get a palindrome (279545972).

It can be divided in two parts, 23422 and 3540, that added together give a palindrome (26962).

The spelling of 234223540 in words is "two hundred thirty-four million, two hundred twenty-three thousand, five hundred forty".