240552243155323 has 4 divisors (see below), whose sum is σ = 262420628896728. Its totient is φ = 218683857413920.

The previous prime is 240552243155243. The next prime is 240552243155429. The reversal of 240552243155323 is 323551342255042.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240552243155323 is a prime.

It is a super-2 number, since 2×240552243155323² (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 (240552243158323) 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, 10934192870686 + ... + 10934192870707.

It is an arithmetic number, because the mean of its divisors is an integer number (65605157224182).

Almost surely, 2^{240552243155323} is an apocalyptic number.

240552243155323 is a deficient number, since it is larger than the sum of its proper divisors (21868385741405).

240552243155323 is a wasteful number, since it uses less digits than its factorization.

240552243155323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868385741404.

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 240552243155323 in words is "two hundred forty trillion, five hundred fifty-two billion, two hundred forty-three million, one hundred fifty-five thousand, three hundred twenty-three".