240262823 has 4 divisors (see below), whose sum is σ = 240565080. Its totient is φ = 239960568.

The previous prime is 240262817. The next prime is 240262831. The reversal of 240262823 is 328262042.

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 240262823 - 2⁸ = 240262567 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 (240261823) 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, 149933 + ... + 151526.

It is an arithmetic number, because the mean of its divisors is an integer number (60141270).

Almost surely, 2^240262823 is an apocalyptic number.

240262823 is a deficient number, since it is larger than the sum of its proper divisors (302257).

240262823 is an equidigital number, since it uses as much as digits as its factorization.

240262823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302256.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 240262823 is about 15500.4136396420. The cubic root of 240262823 is about 621.6732662591.

The spelling of 240262823 in words is "two hundred forty million, two hundred sixty-two thousand, eight hundred twenty-three".