243130213323 has 48 divisors (see below), whose sum is σ = 383482444800. Its totient is φ = 147913983360.

The previous prime is 243130213321. The next prime is 243130213349. The reversal of 243130213323 is 323312031342.

243130213323 is a `hidden beast` number, since 2 + 4 + 31 + 302 + 1 + 3 + 323 = 666.

It is not a de Polignac number, because 243130213323 - 2¹ = 243130213321 is a prime.

It is a super-2 number, since 2×243130213323² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243130213321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334386 + ... + 773352.

It is an arithmetic number, because the mean of its divisors is an integer number (7989217600).

Almost surely, 2^243130213323 is an apocalyptic number.

243130213323 is a deficient number, since it is larger than the sum of its proper divisors (140352231477).

243130213323 is a wasteful number, since it uses less digits than its factorization.

243130213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439112 (or 439109 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 243130213323 its reverse (323312031342), we get a palindrome (566442244665).

The spelling of 243130213323 in words is "two hundred forty-three billion, one hundred thirty million, two hundred thirteen thousand, three hundred twenty-three".