240323011252213 has 4 divisors (see below), whose sum is σ = 244857407690988. Its totient is φ = 235788614813440.

The previous prime is 240323011252147. The next prime is 240323011252241. The reversal of 240323011252213 is 312252110323042.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 140442835336164 + 99880175916049 = 11850858^2 + 9994007^2 .

It is a cyclic number.

It is not a de Polignac number, because 240323011252213 - 2³⁷ = 240185572298741 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 (240323011252013) 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, 2267198219308 + ... + 2267198219413.

It is an arithmetic number, because the mean of its divisors is an integer number (61214351922747).

Almost surely, 2^{240323011252213} is an apocalyptic number.

It is an amenable number.

240323011252213 is a deficient number, since it is larger than the sum of its proper divisors (4534396438775).

240323011252213 is an equidigital number, since it uses as much as digits as its factorization.

240323011252213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534396438774.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 240323011252213 its reverse (312252110323042), we get a palindrome (552575121575255).

The spelling of 240323011252213 in words is "two hundred forty trillion, three hundred twenty-three billion, eleven million, two hundred fifty-two thousand, two hundred thirteen".