243330252001147 has 4 divisors (see below), whose sum is σ = 243355728950496. Its totient is φ = 243304775051800.

The previous prime is 243330252001127. The next prime is 243330252001181. The reversal of 243330252001147 is 741100252033342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243330252001147 - 2¹¹ = 243330251999099 is a prime.

It is a super-2 number, since 2×243330252001147² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243330252001127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12738460348 + ... + 12738479449.

It is an arithmetic number, because the mean of its divisors is an integer number (60838932237624).

Almost surely, 2^{243330252001147} is an apocalyptic number.

243330252001147 is a deficient number, since it is larger than the sum of its proper divisors (25476949349).

243330252001147 is an equidigital number, since it uses as much as digits as its factorization.

243330252001147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25476949348.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 243330252001147 in words is "two hundred forty-three trillion, three hundred thirty billion, two hundred fifty-two million, one thousand, one hundred forty-seven".