240020323 has 2 divisors, whose sum is σ = 240020324. Its totient is φ = 240020322.

The previous prime is 240020311. The next prime is 240020357. The reversal of 240020323 is 323020042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240020323 - 2¹³ = 240012131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240020297 and 240020306.

It is not a weakly prime, because it can be changed into another prime (240020393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120010161 + 120010162.

It is an arithmetic number, because the mean of its divisors is an integer number (120010162).

Almost surely, 2^240020323 is an apocalyptic number.

240020323 is a deficient number, since it is larger than the sum of its proper divisors (1).

240020323 is an equidigital number, since it uses as much as digits as its factorization.

240020323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 240020323 is about 15492.5892929491. The cubic root of 240020323 is about 621.4640418863.

Adding to 240020323 its reverse (323020042), we get a palindrome (563040365).

The spelling of 240020323 in words is "two hundred forty million, twenty thousand, three hundred twenty-three".