243230031253 has 8 divisors (see below), whose sum is σ = 274491571680. Its totient is φ = 213493444080.

The previous prime is 243230031151. The next prime is 243230031257. The reversal of 243230031253 is 352130032342.

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

It is a cyclic number.

It is not a de Polignac number, because 243230031253 - 2³³ = 234640096661 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 (243230031257) 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, 381237975 + ... + 381238612.

It is an arithmetic number, because the mean of its divisors is an integer number (34311446460).

Almost surely, 2^243230031253 is an apocalyptic number.

It is an amenable number.

243230031253 is a deficient number, since it is larger than the sum of its proper divisors (31261540427).

243230031253 is a wasteful number, since it uses less digits than its factorization.

243230031253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762476627.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 243230031253 its reverse (352130032342), we get a palindrome (595360063595).

The spelling of 243230031253 in words is "two hundred forty-three billion, two hundred thirty million, thirty-one thousand, two hundred fifty-three".