243232334262461 has 16 divisors (see below), whose sum is σ = 249885460218240. Its totient is φ = 236613603578880.

The previous prime is 243232334262347. The next prime is 243232334262473. The reversal of 243232334262461 is 164262433232342.

It is a cyclic number.

It is not a de Polignac number, because 243232334262461 - 2³⁸ = 242957456355517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243232334261461) 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, 248490560 + ... + 249467478.

It is an arithmetic number, because the mean of its divisors is an integer number (15617841263640).

Almost surely, 2^{243232334262461} is an apocalyptic number.

It is an amenable number.

243232334262461 is a deficient number, since it is larger than the sum of its proper divisors (6653125955779).

243232334262461 is a wasteful number, since it uses less digits than its factorization.

243232334262461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994516.

The product of its digits is 5971968, while the sum is 47.

The spelling of 243232334262461 in words is "two hundred forty-three trillion, two hundred thirty-two billion, three hundred thirty-four million, two hundred sixty-two thousand, four hundred sixty-one".