22740323 has 2 divisors, whose sum is σ = 22740324. Its totient is φ = 22740322.

The previous prime is 22740317. The next prime is 22740337. The reversal of 22740323 is 32304722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22740323 - 2⁶ = 22740259 is a prime.

It is not a weakly prime, because it can be changed into another prime (22740623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11370161 + 11370162.

It is an arithmetic number, because the mean of its divisors is an integer number (11370162).

Almost surely, 2^22740323 is an apocalyptic number.

22740323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22740323 is an equidigital number, since it uses as much as digits as its factorization.

22740323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22740323 is about 4768.6814739506. The cubic root of 22740323 is about 283.3123738436.

The spelling of 22740323 in words is "twenty-two million, seven hundred forty thousand, three hundred twenty-three".