243310020053 has 8 divisors (see below), whose sum is σ = 249271235136. Its totient is φ = 237350082400.

The previous prime is 243310020049. The next prime is 243310020067. The reversal of 243310020053 is 350020013342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243310020053 - 2² = 243310020049 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 (243310020253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72050 + ... + 701292.

It is an arithmetic number, because the mean of its divisors is an integer number (31158904392).

Almost surely, 2^243310020053 is an apocalyptic number.

It is an amenable number.

243310020053 is a deficient number, since it is larger than the sum of its proper divisors (5961215083).

243310020053 is an equidigital number, since it uses as much as digits as its factorization.

243310020053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638715.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 243310020053 its reverse (350020013342), we get a palindrome (593330033395).

The spelling of 243310020053 in words is "two hundred forty-three billion, three hundred ten million, twenty thousand, fifty-three".