240356323 has 4 divisors (see below), whose sum is σ = 240434568. Its totient is φ = 240278080.

The previous prime is 240356317. The next prime is 240356341. The reversal of 240356323 is 323653042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323653042 = 2 ⋅161826521.

It is a cyclic number.

It is not a de Polignac number, because 240356323 - 2²¹ = 238259171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240356291 and 240356300.

It is not an unprimeable number, because it can be changed into a prime (240351323) 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, 34318 + ... + 40723.

It is an arithmetic number, because the mean of its divisors is an integer number (60108642).

Almost surely, 2^240356323 is an apocalyptic number.

240356323 is a deficient number, since it is larger than the sum of its proper divisors (78245).

240356323 is an equidigital number, since it uses as much as digits as its factorization.

240356323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78244.

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

The square root of 240356323 is about 15503.4293948146. The cubic root of 240356323 is about 621.7538986699.

The spelling of 240356323 in words is "two hundred forty million, three hundred fifty-six thousand, three hundred twenty-three".