243235231413 has 16 divisors (see below), whose sum is σ = 343591968960. Its totient is φ = 152528827136.

The previous prime is 243235231367. The next prime is 243235231429. The reversal of 243235231413 is 314132532342.

It is a cyclic number.

It is not a de Polignac number, because 243235231413 - 2¹⁷ = 243235100341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243235231483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1308195 + ... + 1482512.

It is an arithmetic number, because the mean of its divisors is an integer number (21474498060).

Almost surely, 2^243235231413 is an apocalyptic number.

It is an amenable number.

243235231413 is a deficient number, since it is larger than the sum of its proper divisors (100356737547).

243235231413 is a wasteful number, since it uses less digits than its factorization.

243235231413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792436.

The product of its digits is 51840, while the sum is 33.

Adding to 243235231413 its reverse (314132532342), we get a palindrome (557367763755).

The spelling of 243235231413 in words is "two hundred forty-three billion, two hundred thirty-five million, two hundred thirty-one thousand, four hundred thirteen".